Question

Find the value of x.

Answer 1

Value of x is 60°.

Explanation:

According to the theorum,

The exterior angle is equal to the sum of the opposite two interior angles.

Exterior angle is 144°. The interior angles are 84° and x°

`\longrightarrow` x° + 84° = 144°

`\longrightarrow` x° = 144° - 84°

`\longrightarrow` x° = 60°

Value of x is 60°.

Answer 2

60 = x

Explanation:

180-144 = 36

36+84 = 120

180-120 = 60