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 #1 :Trapezoids

Trapezoid

Find the perimeter of the given trapezoid if

Possible Answers:

18

14

19

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 #3 :How To Find The Perimeter Of A Trapezoid

Trapezoid

Find the perimeter of the given trapezoid if

Possible Answers:

24

20

27

31

Correct answer:

27

Explanation:

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

Trapezoid_labeled

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

Example Question #1 :Trapezoids

Trapezoid

Find the perimeter of the given trapezoid if

Possible Answers:

56

44

54

22

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 #1 :How To Find The Perimeter Of A Trapezoid

Measured in units, the bases of a trapezoid areand, 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 areand, 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 areand, 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 #8 :How To Find The Perimeter Of A Trapezoid

Measured in units, the bases of a trapezoid areand, 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 areand, 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 areand, 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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