the volume of a right circular cone is 325 cm cube and the radius of its base is 8 cm find the slant height and curved surface area and total surface area give your answer it return file
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Answered by
1
Since volume of cone = 1/3Πr²h
nd given that h=12cm
volume = 100Πcm³
now, 1/3 x Π x r² x 12 = 100Π
∴ r = 5cm
now , slant height l² = 5²+12²
l² = 169
l = 13cm
Hence, curved surface area = Πrl
= Π x 5 x 13
= 65Π cm²
nd given that h=12cm
volume = 100Πcm³
now, 1/3 x Π x r² x 12 = 100Π
∴ r = 5cm
now , slant height l² = 5²+12²
l² = 169
l = 13cm
Hence, curved surface area = Πrl
= Π x 5 x 13
= 65Π cm²
Answered by
0
the answer is 65π cm square
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