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Deepak Bora
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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 112 cm, then find the length of the wire.

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In the given problem shape of the object is frustum to find answer of this question need to use frustum volume formula. Question from RS Aggarwal book chapter volume and surface area of solid, page number 824, exercise 17C, problem number 19.

Also this is the HOTS Question.

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