Question

Write the supplement of angle $31°$.

Answer 1

Given angle: $31°$.

We know that If the sum of the two angles is $180°$, the angles are said to be supplementary angles and each angle said to be the supplement of the other.

Let $\mathrm{x}°$ be a supplement of angle $31°$.

Then,

$$\begin{gathered} \mathrm{x}°+31°=180° \\ \Rightarrow \mathrm{x}°=180°-31° \\ \Rightarrow \mathrm{x}°=149° \end{gathered}$$

Hence, the supplement of angle $31°$ is $149°$.