In a quadrilateral ABCD, with unequal sides if the diagonals AC and BD – McqOptions

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1.	In a quadrilateral ABCD, with unequal sides if the diagonals AC and BD intersect at right angles, then
A.	AB + BC = CD + DA
B.	AB + CD = BC + DA
C.	AB + AD = BC + CD
D.	AB + BC = 2(CD + DA )
Answer» C. AB + AD = BC + CD

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