A lamp shade like that of fig 15.26 has a height of 12 cm and upper and lower diameters of 10 cm and 20 cm

A.what area material is required to cover the curve surface of the frustum

B.what is the volume of the frustum?

( Give both answers in terms of pie)

A.what area material is required to cover the curve surface of the frustum

B.what is the volume of the frustum?

( Give both answers in terms of pie)

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