Multiple choice A solid hemisphere is of radius 11 cm. The curved surface area in sq. cm is - 1140.85 1386.00 760.57 860.57 Reveal answer Fill a bubble to check yourself C Correct answer Explanation Curved surface area of a hemisphere = 2πr² = 2 × 3.14159 × 11² = 2 × 3.14159 × 121 = 760.57 sq cm. This is half the total surface area of a sphere (4πr²), covering only the curved portion without the base.