All ISEE Upper Level Math Resources
Example Questions
Example Question #2 : Rectangles
Your geometry book has a rectangular front cover which is 12 inches by 8 inches.
What is the area of your book cover?
Your geometry book has a rectangular front cover which is 12 inches by 8 inches.
What is the area of your book cover?
To find the area of a rectangle, use the following formula:
Plug in our knowns and solve:
Example Question #302 : Isee Upper Level (Grades 9 12) Mathematics Achievement
Find the area of a rectangle with a width of 5in and a length that is three times the width.
To find the area of a rectangle, we will use the following formula:
where l is the length and w is the width of the rectangle.
Now, we know the width of the rectangle is 5in. We also know the length is three times the width. Therefore, the length is 15in.
Knowing this, we can substitute into the formula. We get
Example Question #303 : Isee Upper Level (Grades 9 12) Mathematics Achievement
Find the area of a rectangle with a width of 7cm and a length that is four times the width.
To find the area of a rectangle, we will use the following formula:
where l is the length and w is the width of the rectangle.
Now, we know the width of the rectangle is 7cm. We also know the length is four times the width. Therefore, the length is 28cm.
Knowing this, we will substitute into the formula. We get
Example Question #304 : Isee Upper Level (Grades 9 12) Mathematics Achievement
Find the area of a rectangle with a width of 8cm and a length that is four times the width.
To find the area of a rectangle, we will use the following formula:
where l is the length and w is the width of the rectangle.
Now, we know the width of the rectangle is 8cm. We also know the length of the rectangle is four times the width. Therefore, the length of the rectangle is 32cm.
Knowing this, we will substitute into the formula. We get
Example Question #3 : Rectangles
You are designing a poster to put on the front of your refrigerator. If the refrigerator door is 2 feet wide by 4.5 feet tall, what is the area of the largest poster you could fit on the door?
You are designing a poster to put on the front of your refrigerator. If the refrigerator door is 2 feet wide by 4.5 feet tall, what is the area of the largest poster you could fit on the door?
We need to find the area of a shape. Given the context of a refrigerator door and a poster, we can assume that the poster will be a rectangle. To find the area of a rectangle, we need to multiply length and width.
Example Question #71 : Quadrilaterals
A rectangle has a width of 9cm and a length that is three times the width. Find the area.
To find the area of a rectangle, we will use the following formula:
where l is the length and w is the width of the rectangle.
Now, we know the width of the rectangle is 9cm. We also know the length of the rectangle is three times the width. Therefore, the length is 27cm. So, we can substitute.
Example Question #5 : Rectangles
Find the area of a rectangle with a length of 12in and a width that is a third of the length.
To find the area of a rectangle, we will use the following formula:
where l is the length and w is the width of the rectangle.
Now, we know the length of the rectangle is 12in. We also know the width of the rectangle is a third of the length. Therefore, the width is 4in.
So, we get
Example Question #301 : Geometry
. Which is the greater quantity?
(a) The perimeter of the square on the coordinate plane with vertices
(b) The perimeter of the rectangle on the coordinate plane with vertices
(a) and (b) are equal.
It is impossible to tell from the information given.
(b) is greater.
(a) is greater.
(a) and (b) are equal.
(a) The square has sidelength , and therefore has perimeter .
(b) The rectangle has width and height , so therefore has perimeter
.
The perimeters are the same.
Example Question #1 : How To Find The Perimeter Of A Rectangle
Your geometry book has a rectangular front cover which is 12 inches by 8 inches.
What is the perimeter of your book cover?
Your geometry book has a rectangular front cover which is 12 inches by 8 inches.
What is the perimeter of your book cover?
Perimeter is the distance around the outside of a shape.
Perimeter of a rectangle can be found via the following:
Plug in our length and width to find our answer:
Example Question #82 : Quadrilaterals
Your aunt and uncle live on a rectangular plot of land out in the countryside. The width of their plot is of a kilometer long. The length is twice the width. What is the total length of the perimeter of the plot of land?
Your aunt and uncle live on a rectangular plot of land out in the countryside. The width of their plot is of a kilometer long. The length is twice the width. What is the total length of the perimeter of the plot of land?
Begin by finding both the width and length.
We are told that the width is of a kilometer
Further, we are told that the length is twice the width. Write this as an equation and solve:
Now, find the perimeter via the following:
So, our perimeter is 4.5 km