Question

In the figure below, what is the measure of _x?

30
х
O A. 70°
OB. 300
o C. 60°
D. 90°

Answer 1

50

Explanation:

The sum of angle on a straight line is 180degres, hence;

X+3+x+20+x+7 = 180

3x+30=180

3x=180-30

3x = 150

X = 150/3

x = 50

Hence the value of x is 50