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6. The radius of a cylinder in doubled and the height remains the same. The ratio between the volumesof the now cylinder and the original cylinder is:(a.) 1:2 (6) 3:1 (9 4:1d) 8:1 |
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Answer» CStep-by-step explanation:we know that Volume of a cylinder = πr²h here when the radius of a cylinder is DOUBLED while the height remains same the radius of ORIGINAL cylinder = r the radius of the new cylinder = 2R since h remains the same the ratio of there VOLUMES = π(2r)²h /πr²h = 4r²/ r² = 4/1 => the ratio between the volumes of the new cylinder and the original cylinder = 4:1 ANSWER |
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