Abcd is a cyclical quadriletaral where a= 4y+20, b=3y-5, c=-4x, d=-7x+5 find all angle
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ABCD is a cyclic quadrilateral.
Therefore, sum of opposite angle of cyclic quadrilateral is 180°
Angle A + angle C = 180
Angle B + angle D = 180 solve both equation
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Therefore, sum of opposite angle of cyclic quadrilateral is 180°
Angle A + angle C = 180
Angle B + angle D = 180 solve both equation
YOU will get your answer
Mark me brainliest
And for further answering follow me
Have a great day
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