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A circle touches all four sides of a quadrilateral ABCD. If AB = 18 cm, BC = 21 cm and = 15 cm, then length CD is:
5Q:
A circle touches all four sides of a quadrilateral ABCD. If AB = 18 cm, BC = 21 cm and = 15 cm, then length CD is:
- 116 cmfalse
- 214 cmfalse
- 312 cmfalse
- 418 cmtrue
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