MCQ based question
Asked by aditir | 19th Mar, 2009, 11:25: AM
the length of the arc of the sector will become the circumference of the base of the cone.
Let the radius of the base of the cone =R.
So using the length of arc formula for the sector of radius 12 and angle 120 degrees, we get
This is the base radius of the cone and the radius of the sector becomes the slant height of the cone.
so straight height of the cone =
use these values of R and h to get the volume.
Answered by | 20th Mar, 2009, 09:35: AM
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