Question

А
8x - 12
D
KE
B.
20
3. ABCD is a rectangle. Use the properties of a rectangle to determine the value of x.
A. X = 5
B. X = 4
OC. x = -2
D. X = -1.5

Answer 1

Answer:

$x = 4$

Step-by-step explanation:

$AD = BC$

$8x - 12 = 20$

$8x = 20 + 12$

$8x = 32$

$\frac{8x}{8} = \frac{32}{8}$

$x = 4$

to be sure

$8x - 12 { = }^{?} 20$

$8 \times 4 - 12 { = }^{?} 20$

$32 - 12 { = }^{?} 20$

$20 = 20$