If the four sides of a quadrilateral ABCD are tangential to a circle, – McqOptions

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1.	If the four sides of a quadrilateral ABCD are tangential to a circle, then
A.	AC + AD = BD + CD
B.	AB + CD = BC + AD
C.	AB + CD = AC + BC
D.	AC + AD = BC + BD
Answer» C. AB + CD = AC + BC

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