If 150° and 3a are supplementary angles, find the value of a.

Question

asked Mar 8, 2022 181k views

1 Answer

Komarkovich · Answer 1 · 2022-03-15T03:10:40+0000

Answer:

a = 10

Explanation:

Supplementary angles sum to 180° , so

150 + 3a = 180 ( subtract 150 from both sides )

3a = 30 ( divide both sides by 3 )

a = 10