Question

1 The volume of a cylinder is given by the formula V = πr^2h, where h is the
height of the cylinder and r is the radius.
a Find the volume of a cylindrical post of length 7.5 m and a diameter of
30 cm.
b Make r the subject of the formula.
C A cylinder of height 75cm has a volume of 6000 cm^3, find its radius
correct to 3 s.f.​

Answer 1

Answer:

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