條題目係:The figure shows a pool of depth 1m at one end and 4m at the other end.The length and width of the pool are 40m and 10m respectively.Find the capacity of the pool.(要詳盡解答)
Cross-sectional area of the pool
=
中一英文數
2008-08-07 7:56 am
回答 (1)
2008-08-07 8:33 am
✔ 最佳答案
the swimming pool is a trapezium prism,the capacity of the pool = volume of the figure = area of cross-section X length
= [(1+4)(40)/2](10)
= 1000m^3
2008-08-07 00:34:51 補充：
Cross-sectional area of the pool is a trapezium
= (1+4)(40)/2
收錄日期: 2021-04-19 01:38:56
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