A bowl is in the shape of a hemisphere with radius 7 cm. What is its total surface area? (π=3.14)
Show answer & explanation
Correct answer: A
Explanation
Given:
r = 7 cm, π = 3.14
Total surface area of the hemisphere = 3πr²
= 3 × 3.14 × 7²
= 3 × 3.14 × 49
= 461.58 cm²