Question

Angles y and z are complimentary. If angle y is 18°, what is the measure of angle z?

18°


36°


72°


162°

Answer 1

So the right answer is 72 degree.

Look at the attached picture

Hope it will help you

Good luck on your assignment

Answer 2

z = 72°

Explanation:

Complimentary angles sum to 90° , thus

z + y = 180, that is

z + 18 = 90 ( subtract 18 from both sides )

z = 72°