Question

A

D
In parallelogram
m (2x +12)
5x°
B
C
ABCD, m Find the value of X
and of

Answer 1

x = 24

Explanation:

In a parallelogram, adjacent angles are supplementary.

∠B + ∠C = 180°

5x + 2x + 12 = 180

7x + 12 = 180

Subtract 12 from both sides,

7x = 180 - 12

7x = 168

Divide both sides by 7,

x = 168 ÷7

`\boxed{x = 24^\circ}`