Question 28
Mensuration of Plane ShapesFind the area of the figure above. [π = 22/7]
- A.12.5cm2
- B.75.0cm2
- C.78.5cm2
- D.84.8cm2
Show the answer and explanation
Answer: D (84.8cm2)
Explanation
Rectangle = 5 × 15 = 75cm2. Semicircle of radius 2.5cm = ½ × 22/7 × 6.25 ≈ 9.8cm2. Total ≈ 84.8cm2.