in the figure,the top of the solid is a square with sides of 6cm each.the volume of the solid is 792cm^3.if a similar solid is produced such that the area of the top is 2.25 times of the given one,find the volume of the new solid.
條題目點解AND點做.
maths f.3
2010-06-06 4:06 am
回答 (1)
2010-06-06 4:48 am
✔ 最佳答案
假設有一個體積792 正方形頂ge柱體，每邊6cm根據題見咁講有另一個similiar ge 柱體base area係6X6X2.25 cm^2
let 尼個solid volume為X cm^3
(6X6/ 6X6X2.25)^(2/3) = 792/ X
X=2673
參考: myself
收錄日期: 2021-04-23 20:48:10
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