passpadi

2007

Mathematics

JAMB

The volume of a hemispherical bowl is 718(2/3) . Find its radius .

A.

4.0 cm

B.

5.6 cm

C.

7.0 cm

D.

3.8 cm

Correct Answer: 7.0 cm

Explanation

Volume of bow 2/3 πr2 718 2/3=2/3 πr2 2156/3=2/3×22/7×r3 ∴ r3=(2156×3×7)/(3×2×22) r3=343 r=∛343. r=7.0cm

Volume of bow 2/3 πr2 718 2/3=2/3 πr2 2156/3=2/3×22/7×r3 ∴ r3=(2156×3×7)/(3×2×22) r3=343 r=∛343. r=7.0cm
passpadi
©2023 Passpadi. All rights reserved.