Question

Two angles are supplementary. The first angle measures 60 degrees. What is the measurement of the second angle?

Answer 1

See a solution process below:

Explanation:

The definition of Supplementary Angles is:

Two Angles are Supplementary when they add up to 180 degrees.

Let's call the angle we are looking for: `a`

Then we can write this equation and solve for `a`:

`a + 60^o = 180^o`

`a + 60^o - color(red)(60^o) = 180^o - color(red)(60^o)`

`a + 0 = 120^o`

`a = 120^o`

The other angle is 180 degrees