Calculate 82409

The lamp shade should be formed by the shell of a cone with a base diameter of 48 cm and a side of 32 cm. Calculate how much material will be needed to make it, assuming 8% waste

Correct answer:

S =  2605.7626 cm2

Step-by-step explanation:

D=48 cm s=32 cm  r=D/2=48/2=24 cm q=100%+8%=1+1008=1.08  s2 = v2 + r2  S1=π r s=3.1416 24 322412.7432 cm2 S=q S1=1.08 2412.7432=2605.7626 cm2

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