What will be the area of a semi-circle of 14 metres diameter? Choose the correct choice from the following answers:	A) 154 sq metres	B) 77 sq metres	C) 308 sq metres	D) 22 sq metres	E) none of these

Rationale: area of semicircle = ½ π r 2 = ½ × 22 ⁄ 7 × 7 × 7 = 77 m 2 answer b
Answer: B