Question on: JAMB Mathematics - 2019
In the figure above, |CD| is the base of the triangle CDE. Find the area of the figure to the nearest whole number.
A
56 cm\(^2\)
B
24 cm\(^2\)
C
42 cm\(^2\)
D
34 cm\(^2\)
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Correct Option: D
Area of rectangle ABCD = length x breadth
= 7 x 4
= 28 cm\(^2\)
Area of triangle CDE = \(\frac{1}{2}\) base x height
= \(\frac{1}{2} \times 3 \times 4\)
= 6 cm\(^2\)
Hence, area of the figure = 28 cm\(^2\) + 6 cm\(^2\)
= 34 cm\(^2\)
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