Q. 65.0( 4 Votes )

# Given ∠*POR* = 3*x* and ∠*QOR* =2*x*+10°. If ∠*POQ* is a straight line, then the value of *x* is

A. 30°

B. 34°

C. 36°

D. None of these

Answer :

Given,

POQ is a straight line

∠POQ + ∠QOR = 180^{o} (Linear pair)

3x + 2x + 10^{o} = 180^{o}

5x = 170^{o}

x = 34^{o}

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