Question

Whoch of these are supplementary angle ??
a)120°,60°
b)63°,27°
c)45°,45°
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Answer 1

Answer:

a option is correct

sum of supplementary angle are 180degree

Answer 2

Answer:

a) 120° and 60°

= 120°+60°

= 180°, hence it is a supplementary angle.

b) 63° and 27°

= 63°+27°

= 90°, hence it is not a supplementary angle.

c) 45° and 45°

= 45°+45°

= 90°, hence it is not a supplementary angle.

So, 120° and 60° are supplementary angles.