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1)volume of a ctlinder: 198mm

Radius base: ??

Height of cylinder: 7mm

2)Volume of a triangular prism:60 cu yd

Length of base: ??

Height of base: 6m

Height of prism: 2m

1 answer

volume of cylinder = πr^2 h
198 = π r^2 (7)
r^2 = 198/(7π) = 9.0036..

appr 9 mm

#2,
I would have to know what kind of a triangle the base is

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