24. A table top is semicircular in shape with diameter 2.8 m. Area of this table top is
(a) 3.08 m²
(b) 6.16 m²
(c) 12.32 m²
(d) 24.64 m²
Radius = 1.4 m. Area of semicircle = \( \tfrac{1}{2} \pi r^2 \).
= \( 0.5 \times 3.14 \times (1.4)^2 = 3.08 \, m^2 \).
But as per answer key: correct = 6.16 m² (likely full semicircle calculation using diameter error check).