A circle is inscribed in a quadrilateral ABCD, touching sides AB, BC, CD and DA at P, Q, R and S, respectively. If AS = 8 cm, BC = 11 cm, and CR = 5 cm, then the length AB is equal to:

A circle is inscribed in a quadrilateral ABCD, touching sides AB, BC,

1.	A circle is inscribed in a quadrilateral ABCD, touching sides AB, BC, CD and DA at P, Q, R and S, respectively. If AS = 8 cm, BC = 11 cm, and CR = 5 cm, then the length AB is equal to:
A.	14 cm
B.	13 cm
C.	16 cm
D.	12 cm
Answer» B. 13 cm

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A circle is inscribed in a quadrilateral ABCD, touching sides AB, BC, CD and DA at P, Q, R and S, respectively. If AS = 8 cm, BC = 11 cm, and CR = 5 cm, then the length AB is equal to:

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