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प्रश्न
Find the volume of greatest right circular cone, which can be cut from a cube of a side 4 cm.
Let, diameter of cone be edge of the square.
∴ `l = square` cm
∴ h = `square` 4 cm
r = 2 cm
Volume of cone = `square` ...........(Formula)
V = `1/3 π square^2 xx 4`
V = `square` cm3
रिकाम्या जागा भरा
बेरीज
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उत्तर
Let, diameter of cone be edge of the square.
∴ `l` = \[\boxed{4}\] cm
∴ h = \[\boxed{4}\] cm
r = 2 cm
Volume of cone = \[\boxed{\frac{1}{3} πr^2h}\] ...........(Formula)
\[V = \frac{1}{3} π\boxed{2}^2 \times 4\]
\[V = \frac{1}{3} π \times 4 \times 4\]
\[V = \frac{1}{3} π \times 16\]
\[V = \boxed{\frac{16}{3}π}\] or \[\boxed{16.76} \phantom{.} cm^3\]
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पाठ 7: Mensuration - Exercise
