Question

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Answer 1

Both answers are in the attachment.

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22.With C as centre and AB as radius draw another arc, intersecting the previous arc at D. Then, D is the desired point. PROOF Join BD and CD.

23. There is a rule that the sum of opposite angles in a cyclic quadrilateral is always 180 degree. Therefore, As in quadrilateral. ABCD, A and C are opposite angles, their sum would be 180 degree. So, the smaller angle is 60 and bigger angle is 180.

Answer 2

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