If two angels are supplementary and one of them is 30 degrees what is the measurement for the second angle

Question

asked Nov 20, 2017 154k views

1 Answer

Huiting · Answer 1 · 2017-11-25T06:26:08+0000

Two angles are supplementary if they add up to 180°.

?+ 30°= 180°
⇒ ?= 180° -30°
⇒ ?= 150°

The measurement of the second angle is 150°.