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A metallic right circular cone 20 cm high and whose vertical angle is `90o` is cut into two parts at the middle point of its axis by a plane parallel to the base. If the frustum so obtained be drawn into a wire of diameter `(1//16)` cm, find the length of the wire.

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7964.44 m
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NAGEEN PRAKASHAN ENGLISH-VOLUME AND SURFACE AREA OF SOLIDS-Exercise
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