Asked by ulubi

a paper cone has a base diameter of 8cm a height of 3cm.
a)caculate the volume of the cone in terms of pie
b)if the cone is cut and opened out into the sector of a circle.what is the angle of the sector

Answers

Answered by Scott
a) v = ⅓ π r² h = 16 π

b) the radius of the circle is 5 cm
... √[(8/2)² + 3²] = 5

Θ = 2 π * 8 / 10
Answered by Anonymous
9 in height
6in
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