Triangles - ISEE Lower Level Quantitative Reasoning

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Question

Daria found the perimeter of the below trapezoid to be 29 inches.

Screenshot_2015-03-29_at_3.03.48_pm

What is the length of the missing side?

Answer

To find the perimeter of a trapezoid, add up the lengths of its four sides. In the given trapezoid,

To find the missing side, combine like terms and solve for :

The missing side of the trapezoid is long.

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Question

Screenshot_2015-03-29_at_3.04.28_pm

What is the perimeter of the above trapezoid?

Answer

To find the perimeter of a trapezoid, add up the lengths of the four sides. In the given trapezoid,

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Question

Angela found the perimeter of the trapezoid below to be 35 cm.

Screenshot_2015-03-29_at_3.18.05_pm

What is the length of the missing side?

Answer

To find the perimeter of a trapezoid, add up the lengths of the four sides. In the given trapezoid,

To find the missing side, combine like terms and solve for .

The length of the missing side is thus .

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Question

Screenshot_2015-03-29_at_3.18.30_pm

What is the perimeter of the above trapezoid?

Answer

To find the perimeter of a trapezoid, add up the lengths of the four sides. In the given trapezoid,

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Question

Find the perimeter of the following trapezoid.

8

Answer

In order to find the perimeter of the trapezoid, we have to add up all the outer sides:

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Question

Find the perimeter of the following trapezoid.

9

Answer

In order to find the perimeter we must add up all the outer sides of the trapezoid.

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Question

Ted drew the parallelogram shown below.

Screenshot_2015-03-26_at_3.21.53_pm

What is the perimeter of the parallelogram?

Answer

The perimeter of a parallelogram can be found by summing the lengths of each of the sides. In a parallelogram, opposite sides have the same length. Therefore, you should use the equation 8 + 8 + 5 + 5 = P. The perimeter of the parallelogram is 26 feet.

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Question

Guillermo drew the parallelogram below.

Screenshot_2015-03-26_at_3.32.40_pm

What is the perimeter of the parallelogram?

Answer

The perimeter of a parallelogram can be found by summing the lengths of each of the sides. In a parallelogram, opposite sides have the same length. Therefore, you should use the equation 8 + 8 + 12 + 12 = P. The perimeter of the parallelogram is 40 feet.

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Question

Find the perimeter of the following parallelogram.

3

Answer

We plug in our values into the equation for the perimeter:

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Question

Find the perimeter of the following parallelogram.

4

Answer

We plug in our values into the equation for the perimeter:

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Question

What is the perimeter of the polygon below?

A

Answer

To find the area of a perimeter, we add all of the side lengths together.

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Question

What is the perimeter of the polygon below?

B

Answer

To find the area of a perimeter, we add all of the side lengths together.

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Question

What is the perimeter of the polygon below?

C

Answer

To find the area of a perimeter, we add all of the side lengths together.

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Question

What is the perimeter of the polygon below?

D

Answer

To find the area of a perimeter, we add all of the side lengths together.

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Question

What is the perimeter of the polygon below?

E

Answer

To find the area of a perimeter, we add all of the side lengths together.

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Question

What is the perimeter of the polygon below?

F

Answer

To find the area of a perimeter, we add all of the side lengths together.

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Question

What is the perimeter of the polygon below?

G

Answer

To find the area of a perimeter, we add all of the side lengths together.

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Question

What is the perimeter of the polygon below?

H

Answer

To find the area of a perimeter, we add all of the side lengths together.

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Question

What is the perimeter of the polygon below?

I

Answer

To find the area of a perimeter, we add all of the side lengths together.

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Question

What is the perimeter of the polygon below?

J

Answer

To find the area of a perimeter, we add all of the side lengths together.

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