How to find the perimeter of a rectangle - SSAT Upper Level Quantitative
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The length and width of a rectangle are 
and 
. Give its perimeter in terms of 
.
The length and width of a rectangle are
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A rectangle has perimeter 
, 
the length and 
the width. Substitute 
and 
in the perimeter formula, and simplify.
A rectangle has perimeter
A rectangle has length 30 inches and width 25 inches. Which of the following is true about its perimeter?
A rectangle has length 30 inches and width 25 inches. Which of the following is true about its perimeter?
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In inches, the perimeter of the rectangle can be calculated by substituting 
in the following formula:
The perimeter is 110 inches.
Now divide by 12 to convert to feet:
This makes the perimeter 9 feet 2 inches, which is between 9 feet and 10 feet.
In inches, the perimeter of the rectangle can be calculated by substituting
The perimeter is 110 inches.
Now divide by 12 to convert to feet:
This makes the perimeter 9 feet 2 inches, which is between 9 feet and 10 feet.
The length and width of a rectangle are 
and 
, respectively. Give its perimeter in terms of 
.
The length and width of a rectangle are
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The perimeter of a rectangle is 
, where 
is the length and 
is the width of the rectangle. In order to find the perimeter we can substitute the 
and 
in the perimeter formula:
The perimeter of a rectangle is
The length of a rectangle is 
and the width of this rectangle is 
meters shorter than its length. Give its perimeter in terms of 
.
The length of a rectangle is
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The length of the rectangle is known, so we can find the width in terms of 
:
The perimeter of a rectangle is 
, where 
is the length and 
is the width of the rectangle.
In order to find the perimeter we can substitute the 
and 
in the perimeter formula:
The length of the rectangle is known, so we can find the width in terms of
The perimeter of a rectangle is
In order to find the perimeter we can substitute the
A rectangle has a length of 
inches and a width of 
inches. Which of the following is true about the rectangle perimeter if 
?
A rectangle has a length of
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Substitute 
to get 
and 
:
The perimeter of a rectangle is 
, where 
is the length and 
is the width of the rectangle. So we have:
inches
Now we should divide the perimeter by 12 in order to convert to feet:
feet
So the perimeter is 7 feet and 6 inches, which is between 7 and 8 feet.
Substitute
The perimeter of a rectangle is
Now we should divide the perimeter by 12 in order to convert to feet:
So the perimeter is 7 feet and 6 inches, which is between 7 and 8 feet.
Perimeter of a rectangle is 36 inches. If the width of the rectangle is 3 inches less than its length, give the length and width of the rectangle.
Perimeter of a rectangle is 36 inches. If the width of the rectangle is 3 inches less than its length, give the length and width of the rectangle.
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Let:
The perimeter of a rectangle is 
, where 
is the length and 
is the width of the rectangle. The perimeter is known so we can set up an equation in terms of 
and solve it:
So we can get:
inches
inches
Let:
The perimeter of a rectangle is
So we can get:
Which of these polygons has the same perimeter as a rectangle with length 55 inches and width 15 inches?
Which of these polygons has the same perimeter as a rectangle with length 55 inches and width 15 inches?
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The perimeter of a rectangle is twice the sum of its length and its width; a rectangle with dimensions 55 inches and 15 inches has perimeter
inches.
All of the polygons in the choices are regular - that is, all have congruent sides - and all have sidelength two feet, or 24 inches, so we divide 140 by 24 to determine how many sides such a polygon would need to have a perimeter equal to the rectangle. However,
,
so there cannot be a regular polygon with these characteristics. All of the choices fail, so the correct response is that none are correct.
The perimeter of a rectangle is twice the sum of its length and its width; a rectangle with dimensions 55 inches and 15 inches has perimeter
All of the polygons in the choices are regular - that is, all have congruent sides - and all have sidelength two feet, or 24 inches, so we divide 140 by 24 to determine how many sides such a polygon would need to have a perimeter equal to the rectangle. However,
so there cannot be a regular polygon with these characteristics. All of the choices fail, so the correct response is that none are correct.
The length and width of a rectangle are and . Give its perimeter in terms of .
The length and width of a rectangle are
Tap to see back →
A rectangle has perimeter , the length and the width. Substitute and in the perimeter formula, and simplify.
A rectangle has perimeter
A rectangle has length 30 inches and width 25 inches. Which of the following is true about its perimeter?
A rectangle has length 30 inches and width 25 inches. Which of the following is true about its perimeter?
Tap to see back →
In inches, the perimeter of the rectangle can be calculated by substituting in the following formula:
The perimeter is 110 inches.
Now divide by 12 to convert to feet:
This makes the perimeter 9 feet 2 inches, which is between 9 feet and 10 feet.
In inches, the perimeter of the rectangle can be calculated by substituting
The perimeter is 110 inches.
Now divide by 12 to convert to feet:
This makes the perimeter 9 feet 2 inches, which is between 9 feet and 10 feet.
The length and width of a rectangle are and , respectively. Give its perimeter in terms of .
The length and width of a rectangle are
Tap to see back →
The perimeter of a rectangle is , where is the length and is the width of the rectangle. In order to find the perimeter we can substitute the and in the perimeter formula:
The perimeter of a rectangle is
The length of a rectangle is and the width of this rectangle is meters shorter than its length. Give its perimeter in terms of .
The length of a rectangle is
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The length of the rectangle is known, so we can find the width in terms of :
The perimeter of a rectangle is , where is the length and is the width of the rectangle.
In order to find the perimeter we can substitute the and in the perimeter formula:
The length of the rectangle is known, so we can find the width in terms of
The perimeter of a rectangle is
In order to find the perimeter we can substitute the
A rectangle has a length of inches and a width of inches. Which of the following is true about the rectangle perimeter if ?
A rectangle has a length of
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Substitute to get and :
The perimeter of a rectangle is , where is the length and is the width of the rectangle. So we have:
inches
Now we should divide the perimeter by 12 in order to convert to feet:
feet
So the perimeter is 7 feet and 6 inches, which is between 7 and 8 feet.
Substitute
The perimeter of a rectangle is
Now we should divide the perimeter by 12 in order to convert to feet:
So the perimeter is 7 feet and 6 inches, which is between 7 and 8 feet.
Perimeter of a rectangle is 36 inches. If the width of the rectangle is 3 inches less than its length, give the length and width of the rectangle.
Perimeter of a rectangle is 36 inches. If the width of the rectangle is 3 inches less than its length, give the length and width of the rectangle.
Tap to see back →
Let:
The perimeter of a rectangle is , where is the length and is the width of the rectangle. The perimeter is known so we can set up an equation in terms of and solve it:
So we can get:
inches
inches
Let:
The perimeter of a rectangle is
So we can get:
Which of these polygons has the same perimeter as a rectangle with length 55 inches and width 15 inches?
Which of these polygons has the same perimeter as a rectangle with length 55 inches and width 15 inches?
Tap to see back →
The perimeter of a rectangle is twice the sum of its length and its width; a rectangle with dimensions 55 inches and 15 inches has perimeter
inches.
All of the polygons in the choices are regular - that is, all have congruent sides - and all have sidelength two feet, or 24 inches, so we divide 140 by 24 to determine how many sides such a polygon would need to have a perimeter equal to the rectangle. However,
,
so there cannot be a regular polygon with these characteristics. All of the choices fail, so the correct response is that none are correct.
The perimeter of a rectangle is twice the sum of its length and its width; a rectangle with dimensions 55 inches and 15 inches has perimeter
All of the polygons in the choices are regular - that is, all have congruent sides - and all have sidelength two feet, or 24 inches, so we divide 140 by 24 to determine how many sides such a polygon would need to have a perimeter equal to the rectangle. However,
so there cannot be a regular polygon with these characteristics. All of the choices fail, so the correct response is that none are correct.
The length and width of a rectangle are and . Give its perimeter in terms of .
The length and width of a rectangle are
Tap to see back →
A rectangle has perimeter , the length and the width. Substitute and in the perimeter formula, and simplify.
A rectangle has perimeter
A rectangle has length 30 inches and width 25 inches. Which of the following is true about its perimeter?
A rectangle has length 30 inches and width 25 inches. Which of the following is true about its perimeter?
Tap to see back →
In inches, the perimeter of the rectangle can be calculated by substituting in the following formula:
The perimeter is 110 inches.
Now divide by 12 to convert to feet:
This makes the perimeter 9 feet 2 inches, which is between 9 feet and 10 feet.
In inches, the perimeter of the rectangle can be calculated by substituting
The perimeter is 110 inches.
Now divide by 12 to convert to feet:
This makes the perimeter 9 feet 2 inches, which is between 9 feet and 10 feet.
The length and width of a rectangle are and , respectively. Give its perimeter in terms of .
The length and width of a rectangle are
Tap to see back →
The perimeter of a rectangle is , where is the length and is the width of the rectangle. In order to find the perimeter we can substitute the and in the perimeter formula:
The perimeter of a rectangle is
The length of a rectangle is and the width of this rectangle is meters shorter than its length. Give its perimeter in terms of .
The length of a rectangle is
Tap to see back →
The length of the rectangle is known, so we can find the width in terms of :
The perimeter of a rectangle is , where is the length and is the width of the rectangle.
In order to find the perimeter we can substitute the and in the perimeter formula:
The length of the rectangle is known, so we can find the width in terms of
The perimeter of a rectangle is
In order to find the perimeter we can substitute the
A rectangle has a length of inches and a width of inches. Which of the following is true about the rectangle perimeter if ?
A rectangle has a length of
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Substitute to get and :
The perimeter of a rectangle is , where is the length and is the width of the rectangle. So we have:
inches
Now we should divide the perimeter by 12 in order to convert to feet:
feet
So the perimeter is 7 feet and 6 inches, which is between 7 and 8 feet.
Substitute
The perimeter of a rectangle is
Now we should divide the perimeter by 12 in order to convert to feet:
So the perimeter is 7 feet and 6 inches, which is between 7 and 8 feet.
Perimeter of a rectangle is 36 inches. If the width of the rectangle is 3 inches less than its length, give the length and width of the rectangle.
Perimeter of a rectangle is 36 inches. If the width of the rectangle is 3 inches less than its length, give the length and width of the rectangle.
Tap to see back →
Let:
The perimeter of a rectangle is , where is the length and is the width of the rectangle. The perimeter is known so we can set up an equation in terms of and solve it:
So we can get:
inches
inches
Let:
The perimeter of a rectangle is
So we can get: