passpadi

2015

Mathematics

JAMB

The volume of a cylinder whose height is 4cm and whose radius 5cm is equal to (π = 3.14)

A.

3.13 cm2

B.

145 cm2

C.

314 cm2

D.

214 cm2

Correct Answer: 314 cm2

Explanation

V = πr2h V = ?, h = 4cm, r = 5cm V = 3.14(5)2 (4) V = 3.14(25)(4) V = 3.14 × 1200 = 314 cm2

V = πr2h V = ?, h = 4cm, r = 5cm V = 3.14(5)2 (4) V = 3.14(25)(4) V = 3.14 × 1200 = 314 cm2
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