the slant height of a frustum of a cone is 4cm and perimeter of its circular ends are 18cm and 6cm. find volume of frustum............. plz ans this question
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Here, l = 4 cm
2πr1 = 18 cm
2πr2 = 6 cm
πr1 = 9, πr2 = 3
Curved surface area of frustum = π(r1 + r2) × l
= (πr1 + πr2) × l
= (9 + 3) × 4
= 48 cm2
snehl5186:
but asking for vopume
volume
pls give it brainliest then I will edit my answer
to the one which you want
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