Q16 of 95 Page 15

In Fig. 14.112, ABCD is a trapezium. Find the values of x and y.

Given,


ABCD is a trapezium


= ∠A+∠D = 180°


=2x+10°+x+20° = 180°


= 3x+30°= 180°


= x=


∠B+∠C = 180°


= y + 92° = 180°


= y = 180°-92° = 88°


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