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Question 6 If two chord AB and CD a circle AYDZBWCX intersect at right angles, then prove that arc CXA + arc DZB = arc AYD + arc BWC =semi-circle. ​​​​​​​

Answer» Question 6
If two chord AB and CD a circle AYDZBWCX intersect at right angles, then prove that arc CXA + arc DZB = arc AYD + arc BWC =semi-circle.

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