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CBSE Class 9 Answered

In figure, BP AC, PBC = 25o and DAC = 30o. Find the value of x.
Asked by Topperlearning User | 05 Dec, 2013, 01:11: AM
answered-by-expert Expert Answer

OPA + PAO + AOP = 180o

Or, 90o + 30o + AOP = 180o

Or, AOP = 180o - 120o = 60o

AOP = BOD = 60o (vertically opp. angles)

25o + x+ 60o = 180 o (Angle sum property)

x = 180o - 85o = 95o

Answered by | 05 Dec, 2013, 03:11: AM

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