1.

ABCD is a parallelogram find x and y ​A=3y° B=(2y-5)° C=(3x+3)°

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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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