(i)
Area of the base of a cone is 1386 sq. cm and its height is 28 cm.
Find its volume.
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Answer:
Here , base area of the cone(πr^2) =1386 cm^2
perpendicular height (h) = 28 cm
Therefore, Volume of the cone =
= [ (1/3 )× (πr^2) ×(h) ] cm
= [(1/3) ×1386× 28] cm
= [(1/3) ×38808] cm
= 12936cm
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