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प्रश्न
The radius (in cm) of the largest right circular cone that can be cut out from a cube of edge 4.2 cm is ______.
विकल्प
2.1
4.2
8.4
1.05
उत्तर
The radius (in cm) of the largest right circular cone that can be cut out from a cube of edge 4.2 cm is 2.1.
Explanation:
Since, the diameter of the base of the largest cone that can be cut out from the cube = Edge of the cube = 4.2 cm
So, the radius of the base of the largest cone
= `4.2/2` = 2.1 cm
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