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    Topics || Problems

    A cone axis is 30 cm which inclined at 60 o from the horizontal and has a base diameter of 20 cm. What is the volume of cone in cubic centimeters?
    solid geometry
    Solution

    \( V = \frac{A_b h}{3}\)

    \(V = \frac{\pi r^2h}{3}\)

    \(h = 30 \sin 60^o \)

    \(h = 15\sqrt{3} \)

    \( V = \frac{\pi (10)^2 (15\sqrt{3})}{3}\)

    \( V = 2 720.70 cm^3\)