the height and the radius of the base of a right circular cone are 12 | Examsbook

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446 0

Q:
The height and the radius of the base of a right circular cone are 12 cm and 6 cm respectively. The radius of the circular cross-section of the cone cut by a plane parallel to its base at a distance of 3 cm from the base is

1
4 cm
2
5.5 cm
3
4.5 cm
4
3.5 cm

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Answer : 3. "4.5 cm"

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