Question

Cylinder A has radius 1 m and height 4 m. Cylinder B has radius 2 m and height 4 m. Find the ratio of the volume of cylinder A to

the volume of cylinder B.
a. 5:6
b. 1:4
c. 1:2
d. 1:1
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Answer 1

b. 1:4

Explanation:

Area of cylinder A = πr²h = π(1.1).4 = 4π

Area of cylinder B = πr²h = π (2.2).4 = 16π

Ratio of their volumes = 4π/16π = 1/4 = 1:4