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

## Example Questions

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

Find the perimeter of the trapezoid.

Note: Figure not drawn to scale.

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

Find the perimeter of the given trapezoid if

20

19

18

14

20

Explanation:

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

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

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

Find the perimeter of the given trapezoid if

24

20

27

31

27

Explanation:

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

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

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

Find the perimeter of the given trapezoid if

22

56

44

54

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 #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?

Impossible to calculate.

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?

Impossible to calculate.

Explanation:

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

Therefore the equation becomes,

### Example Question #4 : 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?

Impossible to calculate.

Explanation:

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

Therefore the equation becomes,

### Example Question #5 : 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?

Impossible to calculate.

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?

Impossible to calculate.

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?

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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