In the diagram above , |AD| = 10cm, |DC| = 8cm and |CF| = 15cmIf…

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Mathematics WAEC 1991

In the diagram above , |AD| = 10cm, |DC| = 8cm and |CF| = 15cmIf the area of triangle DCF = 24cm2, find the area of the quadrilateral ABCD.

  • 24cm2
  • 48cm2 checkmark
  • 80cm2
  • 96cm2
  • 120cm2

The correct answer is: B

Explanation

Area of \(\Delta\)DCF = 24cm2

Area of Quad= 2 x 24 = 48cm2
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