Question

TITU. DIUW Idligents to the circle from these two
ungle UI 6U.
39. The radii of the ends of a frustum of a cone 45cm high are 28cm and 7cm. Find is
volume, the curved surface area and the total surface area. (take it = 7 )​

Answer 1

Given that,

Height =45cm

Radius of the larger end =r1=28cm

Radius of the smaller end =r2=7cm

we find slant height l

we know that,

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