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CBSE Class 8 Answered

Three angles of a quadrilateral are 54o, 80o, 116o. Find the fourth angle.
Asked by Topperlearning User | 22 Nov, 2012, 02:14: AM
answered-by-expert 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 | 22 Nov, 2012, 04:14: AM

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