The section of a solid right circular cone by a plane containing vertex and perpendicular to base is
an equilateral triangle of side 10 cm. find the volume of the cone?
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Answer:
Volume of the cone = 1/3 * pi * r * r *h -------------------------- (1)
We know that in the equilateral triangle all sides are equal.
Given, Side = 10cm
height = 100 - 25
= root 75
= 8.66
Substitute in (1), we get
The volume of the cone = ⅓ * 3.14 * 8.66 * 25
= 226.6 cm^3
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