Question

The adjacent angles of a parallelogram measures (3x+8)° and (10-x)°. Find the value of x.

Answer 1

Answer:

(3x+8°)+(10-x)=180°

3x+8°+10-x=180°

3x-x+8+10=180°

2x+18°=180°

2x=180°-18°

2x=162°

x=162/2

x=81°