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7 cmС10 cm9. In Fig. 15.15, ABCD isa quadrilateral in which DAB || DC and DA I AB. IfAB 13 cm, BCBC = 10 cmand CD = 7 cm, find thearea of the quadrilateralin two ways.E(a) Taking ABCD as aFig. 15.15trapezium.(b) Taking quadrilateral ABCD as the sum ofrectangle AECD and a triangle BEC.B13 cmara oof​

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