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24 gude 42 cm map ke do kagaj lemar lambai aur chaudai ki disa me modkar do alag alag belan banaiye don't me kiska vkra prist aur aytan adhik hoga |
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Answer» Given : paper 24 cm * 22 cm Make cylinder by folding each side To Find : Which one has more Curved surface area , volume Solution: paper 24 cm * 22 cm 24 cm is height and 22 cm is circumference of base 2πr = 22 h = 24 cm Curved surface area =2πrh = 22 * 24 cm² 2πr = 22 => 2(22/7)r = 22 => r = 7/2 Volume = πr²h = (22/7)(7/2)²24 = 924 cm³ paper 24 cm * 22 cm 22 cm is height and 24 cm is circumference of base 2πr = 24 h = 22 cm Curved surface area =2πrh = 24 * 22 cm² Curved surface area of both is same 2πr = 24 => 2(22/7)r = 24 => r = 42/11 Volume = πr²h = (22/7)(42/11)²22 = 1008 cm³ 1008 > 924 Volume of this CASE is higher Learn More: .A rectangular paper is 10 cm WIDE and 12 pie cm long and on ... A person has a rectangular sheet of metal. He has to make ... The capacity of a closed cylindrical VESSEL of height 2 m is 30.8 litres ... |
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