Find the curved surface area (in cm2) of a hemisphere of diameter 28 cm.
Answer & explanation
Correct answer: option 2
Diameter = 28 cm
Radius (r) = 14
C. S. A. of a hemisphere = 2\(\pi \) r2
= 2 × \(\frac{22}{7}\) × 14 × 14
= 1232 cm2
Find the curved surface area (in cm2) of a hemisphere of diameter 28 cm.
Correct answer: option 2
Diameter = 28 cm
Radius (r) = 14
C. S. A. of a hemisphere = 2\(\pi \) r2
= 2 × \(\frac{22}{7}\) × 14 × 14
= 1232 cm2