find the radius of the cone if the ratio of its volume to curved surface area is 16:9 and ratio of slant height and height is 9:8 find the radius if solid sphere
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Answer:
given that
volume:c.s.a=16:9
i.e,1/3π*r*r*h:πrl=16:9
1/3rh:l=16:9
now substitute, h:l=8:9
hence,r=6
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