How to find the perimeter of a trapezoid

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SSAT Middle Level Quantitative › How to find the perimeter of a trapezoid

Questions 1 - 10

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?

Impossible to calculate.

Explanation

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

Therefore the equation becomes,

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?

Impossible to calculate.

Explanation

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

Therefore the equation becomes,

Find the perimeter of the trapezoid:
Question_12

$\small 21$

$\small 23.5$

$\small 40$

$\small 26$

Explanation

The perimeter of any shape is equal to the sum of the lengths of its sides:

$\small P=4+6+3+8=21$

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?

Impossible to calculate.

Explanation

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

Therefore the equation becomes,

Trapezoid

Find the perimeter of the given trapezoid if $l=7, h=4, b_{1}=5, b_{2}=8$

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.

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?

Impossible to calculate.

Explanation

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

Therefore the equation becomes,

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?

Impossible to calculate.

Explanation

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

Therefore the equation becomes,

Trapezoid

Find the perimeter of the given trapezoid if $l=5, b_{1}=4, b_{2}=6, h=6$

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.

Trapezoid

Find the perimeter of the given trapezoid if $l=6, h=4, b_{1}=2, b_{2}=5$

Explanation

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

Trapezoid_labeled

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

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?

Impossible to calculate.

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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