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A volcanic plug shaped like a cone has a diameter of 25 km and a height of 3.9 km.

What is the volume of the plug?
Round your final answer to one decimal place and use 3.14 to approximate pi.



Answer :

Hippalectryon
Volume of a cone of diameter D, height h:[tex] V=\frac{\pi}3*(\frac{D}2)^2*h[/tex]

Hence [tex]V=3.14/3*(25000/2)^2*3900=6.4*10^{11} m^3[/tex]

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