# Gravel - cone

The mound of gravel has a regular circular cone shape with a height 3.3 meter and a base circumference of 18.85 meters. How many cubic meters of gravel is in a pile? Calculate the weight of gravel if its density is p = 640 kg / cubic m.

Correct result:

V =  31.1032 m3
m =  19906.069 kg

#### Solution:

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