45. A solid metallic right circular cone 20 cm high and vertical angle 60^° is cut into two parts at the middle point of its height by a plane parallel to the base . If the frustum so obtained be drawn into a wire of diameter 1/16 cm find length of wire

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A 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 $\frac{1}{16} c m$ , find the length of the wire. [4 MARKS]

Q. A solid metallic right circular cone

20 c m

high with vertical angle

60^{o}

is cut into two parts at the middle point of its height by a plane parallel to the base. If the frustum, so obtained, be drawn into a wire of diameter

\frac{1}{16} c m

, find the length of the wire.

Q. 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

\frac{1}{12}

cm, then find the length of the wire.
[HOTS] [CBSE 2014]

Q. Question 5
A 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}{16}

cm, find the length of the wire.

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