Find the total surface area of a solid hemisphere of radius 0.07 m. (Use π = 22/7)
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e. 462 cm2.
r = 0.07m = 7 cm
Total surface area of hemisphere = 3 × π × r2
= 3 × 22/7 × 72
= 462 cm2