Question

619
X
X=
degrees.
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Answer 1

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

`\large\bf{{\green{ \longrightarrow \:\large\rm \: x \: = \: 61\degree \: + \: 90 \degree }}}`

`\large\bf{{\green{ \longrightarrow \:\large\rm \: x \: = \: 151 \degree }}}`

Answer 2

151

Explanation:

The exterior angle of a triangle is equal to the sum of the opposite interior angles

x = 61+90

x = 151