Question

Tell whether the angles are complementary or supplementary. Then find the value of x.

Answer 1

complimentary angle

x=15

Answer 2

complementary

x = 15

Explanation:

The outer angle is a right angle as denoted by the red square mark. A right angle has a measure of 90°.

Complementary angles are angles whose measures have a sum of 90°.

Angles 3x and 45 are complementary angles.

3x + 45 = 90

3x = 45

x = 15

Answer:

complementary

x = 15