The supplement of an angle is twice as large as the angle. What does the angle measure?

1 Answer
Nov 20, 2015

The angle measures 60^o60o.

Explanation:

Let's take
angle=A=A
its supplement=S=S

If the two angles are supplement to each other, then
A+S=180^o ..........eq.(i)

Supplement is twice as large, i.e.
S=2xxA=2A

Therefore, eq.(i) becomes
A+2A=180^o
3A=180^o
A=180^o-:3
A=60^o