A solid metallic right circular cone 20 cm high and whose vertical angle is 60∘, is cut into two parts at the middle of its height by a plane parallel to its base. If the frustum so obtained be drawn into a wire of diameter 112cm, find the length of the wire.

A solid metallic right circular cone 20 cm high and whose vertical ang

1.	A solid metallic right circular cone 20 cm high and whose vertical angle is 60∘, is cut into two parts at the middle of its height by a plane parallel to its base. If the frustum so obtained be drawn into a wire of diameter 112cm, find the length of the wire.
Answer» A solid metallic right circular cone 20 cm high and whose vertical angle is $60^{\circ}$ , is cut into two parts at the middle of its height by a plane parallel to its base. If the frustum so obtained be drawn into a wire of diameter $\frac{1}{12}$ cm, find the length of the wire.

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A solid metallic right circular cone 20 cm high and whose vertical angle is 60∘, is cut into two parts at the middle of its height by a plane parallel to its base. If the frustum so obtained be drawn into a wire of diameter 112cm, find the length of the wire.

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