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Ch- circles Ex -circle through three points

Q-ABC and ADC are row right triangles with common hypotenuse ACproce that angle CAD = angle CBD.
Q-prove that a cyclic parallelogram is a rectangle.


Draw rough figure.
Ans of Q.1)by isosceles triangle theoram.....and by alterbate angles theorem
Ans of Q.2)Cyclic quadrilateral have its adjacent ngles SUPPLEMENTARY.

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