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A parallelogram has a base that measures 5 units and a height that measures (x + 6) units. The area of this parallelogram is 20 square units. What must be the value of x?

Choose one answer.

Ax=4
Bx=-2
Cx=5
Dx=15

Verified Answer :

JcAlmighty

The answer is

The answer is b. x=-2 

The area (A) of a parallelogram with height h and base b is:
A = bh

We have:
b = 5
h = x + 6

A = 20
A = b h
5 * (x + 6) = 20
x + 6 = 20 / 5
x + 6 = 4
x = 4 - 6
x = -2

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