Correct Answer: Option D

Explanation

Area of the figure = Area of the rectangle + area of the semicircle
\(=L \times h + \frac{1}{2}\pi r^2\)
5 \(\times 15 + \frac{1}{2} \times \frac{22}{7} \times \left(\frac{5}{2}\right)^2\)
=75+\(\frac{(22\times 25)}{8\times7}\)
=75 + \(\frac{550}{56}\)
=84.8cm\(^2\)

There is an explanation video available below.

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