A sphere is inscribed in a cone of radius 3√3 and slant height 6√3. Than what is the radius of the sphere?
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Answer:
Step-by-step explanation:
csa of sphere = 2 pie r^3
csa of cone = pie r l
A T Q,
2 pie r^3 = pie r l
2 * pie *r^3 = pie *3 root 3 * 6 root 3
pie gets cancel
2 r^3 =18*3
r^ 3 = 54/2
r^3 = 27
r = 3
mitu115:
you are rigt
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radius of the inscribed sphere = 1 cm
hope it helps
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