Question

What is the value ofWhat is the value of the missing angle?

A
20

B
90

C
120

D
100 the missing angle? A 20 B 90 C 120 D 100

Answer 1

The missing angle is 120

Explanation:

Given

See attachment

Required

The missing angle (?)

Let the missing angle be x

So:

`x + 60 = 180` --- angle on a straight line

Collect like terms

`x = 180-60`

`x = 120`