Question
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
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
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
b) the radius of the circle is 5 cm
... √[(8/2)² + 3²] = 5
Θ = 2 π * 8 / 10
Anonymous
9 in height
6in
6in