Question

Х
49°
X =
degrees
What do I do

Answer 1

An exterior angle of a triangle is equal to the sum of its interior opposite angles.

`\bf \large \implies \: x \: = \: 49 \degree \: + \: 90 \degree`

`\bf \large \implies \: x \: = \: 139 \degree`

Answer 2

x = 139

Explanation:

The exterior angle is equal to the sum of the opposite interior angle

x = 49 +90

x = 139