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#1 2009-01-15 16:52:10

MoyMarian
Member
Registered: 2009-01-10
Posts: 29

Solid Mensuration X

A right circular cone of slant height 20cm has a radius of 8cm. Find the angle of sector of a circle of radius 20cm and whose area is equal to the lateral area of the cone.

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#2 2009-01-17 09:26:52

Muggleton
Member
Registered: 2009-01-15
Posts: 65

Re: Solid Mensuration X

θ will be in radians here; to convert to degrees, multiply by 180/π.

Last edited by Muggleton (2009-01-17 09:29:41)

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