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ABCD is a parallelogram find x and y A=3y° B=(2y-5)° C=(3x+3)° |
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Answer» Answer: angle A = angle C ( VERTICALLY OPPOSITE) so, 3Y= 3x+3 3y-3x = 3 y-x= 1 so y= x+1 B= 2y-5° 2x+2-5 = 2x-3 then 3x+3+2x-3+3x+3+2x-3=180° 10x = 180° x= 18° so y= 19° A= 57° B= 33° C= 57° and D = 33° |
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