Math, asked by Anonymous, 10 months ago

The radii of the ends of a frustum
of a cone 45 cm high are 28 cm and 7 cm. Find its volume, the curved
surface area and the total suface area
(Take π=22/7)​

Answers

Answered by tyagibrother89
4

Answer

given: height of the frustum =45cm

radii = 28 and 7cm

sol. volume of frustum= 1/3πh((R)²+(r)²+(R*r))

=1/3*22/7*45((28)²+(7)²+(28*7)

=22/7 * 15 ((784) + (49) + (196)

=330/7 ( 1029)

=330 (147)

= 48510

Answered by aryan8459466045
4

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