A right circular cylinder has a diameter of 16 mm and a height of 12 mm. what is the volume of the cylinder in terms of π?
2 answers:
Volume of the cylinder = hr²π
diameter = 2 × radius
16 = 2 × r
r = 16/2
r = 8 mm
V = hr²π
V = 12 × 8² × π
V = 12 × 64 × π
V = 768π mm³
V = π·r²·h
and D = 2·r => r = 16 : 2 = 8 mm
V = π·8²·12 = π·64·12 = 768 π mm³
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