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Step-by-step explanation:
a. the volume of the larger barrel =
π.r².h = 3.14 × 2² × 5
= 3.14 × 20
= 62.8 cu. ft
b. the volume of the smaller barrel =
3.14 × 2² × 3
= 3.14 × 12
= 37.68 cu. ft
or it can find the volume by using
the subsraction :
100.48 - 62.8 = 37.68 cu. ft