3 years ago

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

1 answer:

6 0

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

?+ 30°= 180°
⇒ ?= 180° -30°
⇒ ?= 150°

The measurement of the second angle is 150°.

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