SSAT Middle Level Math : How to find the perimeter of a trapezoid

Study concepts, example questions & explanations for SSAT Middle Level Math

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Example Questions

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Example Question #1 : How To Find The Perimeter Of A Trapezoid

Q_12_2

Find the perimeter of the trapezoid.

Note: Figure not drawn to scale.

Possible Answers:

Correct answer:

Explanation:

To find the perimeter of a trapezoid, add the lengths of the sides:

Example Question #2 : How To Find The Perimeter Of A Trapezoid

Trapezoid

Find the perimeter of the given trapezoid if  

Possible Answers:

19

18

14

20

Correct answer:

20

Explanation:

To find the perimeter, we must find the sum of the OUTER edges: Trapezoid_labeled

Notice that the height wasn't included in our calculation. 

Example Question #1 : How To Find The Perimeter Of A Trapezoid

Trapezoid

Find the perimeter of the given trapezoid if 

Possible Answers:

24

27

31

20

Correct answer:

27

Explanation:

In order to find the perimeter of the trapezoid, we must find the sum of the outer edges: 

Trapezoid_labeled

Notice that we didn't use height in our calculation. 

Example Question #4 : How To Find The Perimeter Of A Trapezoid

Trapezoid

Find the perimeter of the given trapezoid if 

Possible Answers:

44

56

22

54

Correct answer:

56

Explanation:

To find the perimeter, we need to find the sum of the outer edges:

 

Notice that we didn't use height in our calculation. 

Example Question #2 : How To Find The Perimeter Of A Trapezoid

Measured in units, the bases of a trapezoid are  and , the lengths are , and the height is unknown.  What is the perimeter of the trapezoid in units?

Possible Answers:

Impossible to calculate.

Correct answer:

Explanation:

The perimeter is solved by adding the two bases together,  and , along with both the lengths, .

Therefore the equation becomes,

Example Question #6 : How To Find The Perimeter Of A Trapezoid

Measured in units, the bases of a trapezoid are  and , the lengths are , and the height is unknown.  What is the perimeter of the trapezoid in units?

Possible Answers:

Impossible to calculate.

Correct answer:

Explanation:

The perimeter is solved by adding the two bases together,  and , along with both lengths, .

Therefore the equation becomes,

Example Question #7 : How To Find The Perimeter Of A Trapezoid

Measured in units, the bases of a trapezoid are  and , the lengths are , and the height is unknown.  What is the perimeter of the trapezoid in units?

Possible Answers:

Impossible to calculate.

Correct answer:

Explanation:

The perimeter is solved by adding the two bases together,  and , along with both lengths, .

Therefore the equation becomes,

Example Question #3 : How To Find The Perimeter Of A Trapezoid

Measured in units, the bases of a trapezoid are  and , the lengths are , and the height is unknown.  What is the perimeter of the trapezoid in units?

Possible Answers:

Impossible to calculate.

Correct answer:

Explanation:

The perimeter is solved by adding the two bases together,  and , along with both the lengths, .

Therefore the equation becomes,

Example Question #9 : How To Find The Perimeter Of A Trapezoid

Measured in units, the bases of a trapezoid are  and , the lengths are , and the height is unknown.  What is the perimeter of the trapezoid in units?

Possible Answers:

Impossible to calculate.

Correct answer:

Explanation:

The perimeter is solved by adding the two bases together,  and , along with both the lengths, .

Therefore the equation becomes,

Example Question #10 : How To Find The Perimeter Of A Trapezoid

Measured in units, the bases of a trapezoid are  and , the lengths are , and the height is unknown.  What is the perimeter of the trapezoid in units?

Possible Answers:

Impossible to calculate.

Correct answer:

Explanation:

The perimeter is solved by adding the two bases together,  and , along with both the lengths, .

Therefore the equation becomes,

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