Question

The measure of two supplementary angles have a ratio of 3:5

What is the measure of the smaller angle?

Answer 1

Explanation:

Let the two supplementary angles be 3x and 5x

Then

3x + 5x = 180°

8x = 180°

x = 180° / 8

x = 22.5°

Now

the measure of the smaller angle is

3x = 3 * 22.5° = 67.5°

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