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The measure of an angle is 99. What is the measure of its supplementary angle?

2 Answers

3 votes

Final answer:

The measure of the supplementary angle to an angle of 99 degrees is 81 degrees. Supplementary angles add up to 180 degrees.

Step-by-step explanation:

The measure of an angle is 99 degrees. To find the measure of its supplementary angle, we need to know that the sum of the measures of supplementary angles is always 180 degrees. Therefore, we subtract the given angle from 180 degrees to find the measure of the supplementary angle.

The calculation would be: 180 degrees - 99 degrees = 81 degrees. So, the measure of the supplementary angle is 81 degrees.

User Skrymsli
by
5.5k points
7 votes

Answer:


\huge\boxed{\tt\:81^(\circ)}

Step-by-step explanation:

Supplementary angles are angles that together sum up to 180°. So, here, if 1 angle is 99° then, we must subtract 180° from it to get its supplementary pair.


\sf \: 180^(\circ) - 99^(\circ) = supplementary \: angle\\\\\\\Longrightarrow \sf\:180^(\circ) - 99^(\circ) = \boxed{\tt\:81^(\circ)}

So, the supplementary pair of 99° is 81°.

__________________

Hope it helps!


\mathfrak{Lucazz}

User Inhabitant
by
4.9k points
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