alleryThe volume of a sphere of radius 7 cm is (use pi = 22/7)
A1232 cm^3
B1372 cm^3
C1438 cm^3
D1540 cm^3
Answer & Solution
Correct answer: C. 1438 cm^3
V = (4/3) pi r^3 = (4/3) x (22/7) x 343 = (4 x 22 x 343) / 21 = 30184/21 ≈ 1437.3. Closest = 1438 cm^3.
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