ANSWIRS: (1) V = π r2h
V = 3.14 x (4 inches)2 x 8 inches
V = 3.14 x 16 inches x 8 inches
V = 402 cubic inches
(2)(a) V = π r2h
V = 3.14 x (10 feet)2 x 10 feet
V = 3.14 x 100 x 10
V = 3,140 cubic feet
(b) V = π r2h
V = 3.14 x (5 feet)2 x 9 feet
3 yards = 9 feet
V = 3.14 x 25 x 9
V = 706.5 cubic feet
(c) V = π r2h
V = 3.14 (4 inches)2 x 36 inches
3 feet = 36 inches
V = 3.14 x 16 x 36
V = 8.64 cubic inche
1,80
s
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