ISEE Lower Level Math : Quadrilaterals
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Example Questions
Example Question #1053 : Isee Lower Level (Grades 5 6) Mathematics Achievement
A computer screen has a height of 9 inches and a width of 16 inches. Find its perimeter. All answers are in inches.
A computer screen has a height of 9 inches and a width of 16 inches. Find its perimeter.
Perimeter is the distance around the outside of a shape. In this case, we are dealing with a rectangle. To find the perimeter of a rectangle, we need to add up all four sides, or use the following formula:
Substitute our length and width into the equation
So our perimeter is 50 inches
Example Question #26 : How To Find The Perimeter Of A Rectangle
Your front yard is in the shape of a rectangle. You want to build a fence all around your front yard. The length of your yard is 40 feet. The width of your yard is half the length. How many feet of fencing will you need for your front yard?
To find how much fencing we will need, we need to determine the perimeter of the yard. To find the perimeter, we use the following formula:
where l is the length and w is the width of the rectangle (in this case, the yard). We know the length is 40 feet. We also know the width is half the length, so the width is 20 feet. Now, we can substitute.
Example Question #102 : Plane Geometry
A rectangle measures 
To find the area of a rectangle, multiply the length of the long side by the length of the short side. The best way to find the answer is:
Example Question #121 : Geometry
A rectangle measures 
To find the area of a rectangle, multiply the length of the long side by the length of the short side. The best way to find the answer is:
Example Question #1054 : Isee Lower Level (Grades 5 6) Mathematics Achievement
A rectangle measures 
To find the perimeter of any object, simply add the length of each side together. The best answer is:
Example Question #30 : How To Find The Perimeter Of A Rectangle
A rectangle measures 
To find the perimeter of any object, simply add the length of each side together. The best answer is:
Example Question #102 : Plane Geometry
A rectangle measures 
To find the perimeter of any object, simply add the length of each side together. The best answer is:
Example Question #31 : How To Find The Perimeter Of A Rectangle
A rectangle measures 
To find the perimeter of any object, simply add the length of each side together. The best answer is:
Example Question #101 : Quadrilaterals
Use the following to answer the question.
You go to the community center to go swimming. You see that the pool is a rectangular shape. If the pool has a length of 45 feet and a width of 20 feet, what is the perimeter of the pool?
To find the perimeter of a rectangle, we use the following formula:
where a, b, c, and d are the lengths of the sides of the rectangle.
Now, given the rectangle
we can see that the length is 45 feet. We also see the width is 20 feet. Now, because it is a rectangle, we know that opposite sides of the rectangle are equal. In other words,
So, now that we know the lengths of all the sides of the rectangle, we can substitute into the formula. We get
Example Question #122 : Geometry
Find the perimeter of a rectangle with a length of 10cm and a width that is half the length.
To find the perimeter of a rectangle, we will use the following formula:
where a, b, c, and d are the lengths of the sides of the rectangle.
Now, we know the length of the rectangle is 10cm. We also know that because it is a rectangle, the opposite length is also 10cm.
We know the width of the rectangle is half the length. Therefore, the width is 5cm. We also know that because it is a rectangle, the opposite width is also 5cm.
Now, knowing all of this, we can substitute into the formula. We get
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