1.

angle POR and angle Q0R is a linear pair. IfPOR = 3x degree and Q0R = (2x + 10)degreethen find the value of x

Answer»

Linear pair means sum of angles=180°

3x+2x+10=180

5x+10=180

5x=180-10

5x=170

x=170/5

x=34



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