# What is the supplement of a 70 degree angle?

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#### Explanation

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#### Explanation:

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mason m Share
Dec 24, 2015

110˚

#### Explanation:

Supplementary angles have a sum of 180˚.

Thus, if $\angle 1$ and $\angle 2$ are supplementary,

$m \angle 1 + m \angle 2 = 180$

We know that $m \angle 1 = 70$ and we want to find $m \angle 2$.

$70 + m \angle 2 = 180$

Subtract $70$ from both sides.

$m \angle 2 = 110$

Thus, a 70˚ angle and a 110˚ angle are supplements of one another.

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