Question

Last one ahah if check my others to help me

Answer 1

D(x=4)

Explanation:

Because AD has to equal BC, you can make the equation

20=8x-12

then you solve it.

8x=32

x=4

Answer 2

Answer: x = 4

For any rectangle the opposite sides are the same length.

AD = BC

8x-12 = 20

8x = 20+12

8x = 32

x = 32/8

x = 4