Question

A quadrilateral ABCD is drawn to circumscribed a circle. Prove that Ab+cd Ad+bc

Answer 1

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Given: - Let ABCD be the quadrilateral circumscribing the circle with centre O . The quadrilateral touches the circle at point P, Q, R and S .To prove.

Answer 2

Question:

A quadrilateral ABCD is drawn to circumscribe a circle (see given figure) Prove that AB + CD = AD + BC

Answer:

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