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In the diagram above AD 10cm DC 8cm and CF 15cm... - WAEC Mathematics 1991 Question

In the diagram above , |AD| = 10cm, |DC| = 8cm and |CF| = 15cmIf the area of triangle DCF = 24cm2, find the area of the quadrilateral ABCD.
A
24cm2
B
48cm2
C
80cm2
D
96cm2
correct option: b

Area of (\Delta)DCF = 24cm2

Area of Quad= 2 x 24 = 48cm2

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