Surface 19383 cone

The volume of a cone with a radius of 6 cm is 301.44 cm cubic. What is its surface?

Correct answer:

S =  301.5317 cm2

Step-by-step explanation:

r=6 cm V=301.44 cm3  S1=π r2=3.1416 62113.0973 cm2  V = 31 S1 h  h=3 V/S1=3 301.44/113.09737.9959 cm  s=h2+r2=7.99592+629.9968 cm  S=S1+π r s=113.0973+3.1416 6 9.9968=301.5317 cm2



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