Question

Solve for the variables.
a)
21°
X
103

Answer 1

The value of x is 82⁰

Explanation:

As we know that,

The sum of two opposite interior angle of triangle is equal to it's exterior angle :

Then,

`\sf \longrightarrow{x + 21 \degree = 103 \degree}`

`\sf \longrightarrow{x = 103 \degree - 21 \degree}`

`\sf \longrightarrow{x = 82 \degree}`

Hence, the value of x is 82⁰.

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Answer 2

a) x= 82°

Explanation:

Please see the attached image for the full solution.