1.

Exercise 6B1. If AB |l CD in each of the following, find x.3x +15°2x +30°

Answer»

According to the figure

3x+15+2x+30 = 180=> 5x+45 = 180=> 5x = 180-45. = 135=> x = 27°

27kaisa aya hai

5x=135so x= 135/5 = ??



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