Three angles of a quadrilateral are 54o, 80o, 116o. Find the fourth angle.

Asked by Topperlearning User | 22nd Nov, 2012, 02:14: AM

Expert Answer:

Let the measure of the fourth angle be xo

54o + 80o + 116o + xo = 360o (As the sum of angles of quadrilateral is 360o)

250o + xo = 360o

xo = 360o - 250o

x = 110

Hence, the measure of the fourth angle is 110o.

Answered by  | 22nd Nov, 2012, 04:14: AM