Question

PART - B
SECTION - II
1) Find the value of x in the given figure.
D
2x - 20
AL
X. 20
50"
B​

Answer 1

find x.

given,

(x + 20)°

(2x - 20)°

60°

since it is a straight line, all the angles will sum up to 180°

hence,

(x+20)°+(2x-20)°+60° = 180°

3x°+60° = 180°

3x° = 180°-60°

3x° = 120°

x° = 120°/3

x = 40°

hope it helps

have a great day