Find the missing measure of a trapezoid with an area of 6.5 units squared and a base of 4 units and a height of 2 units.

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Mathematics

31 March, 11:25

Find the missing measure of a trapezoid with an area of 6.5 units squared and a base of 4 units and a height of 2 units.

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Answers (1)

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Mireya Koch · Answer 1

A = a+b/2 * h

6.5 = a+4/2 * 2

6.5/2 = a+4/2 * 2/2

3.25 = a+4/2

3.25*2 = a+4/2*2

6.5 = a+4

6.5-4 = a+4-4

2.5 = a

The missing measure is 2.5

Check

6.5 = 2.5+4/2 * 2

6.5 = 2.5+2*2

6.5=2.5 + 4

6.5=6.5