f.2 maths 20marks 好急

👨🏻‍🏫 學術台數學

用戶159403

2012-05-03 3:42 am

有個字可能影得唔清--- ''After putting a solid...'' ''Find the rise in water level''

明天測驗好大機會考這類型GE題,大家教下我點計!!謝謝

更新1:

題目在此 http://upload.lsforum.net/users/public/z26240y0001h154.jpg

更新2:

題目的圖片在這個LINK -- http://upload.lsforum.net/users/public/z26240y0001h154.jpg 敬請留意

更新3:

答案係 2.25 cm

回答 (3)

hikaru

2012-05-03 4:06 am

(x+4)(100π-36π) = 4(100π)
height x area = volume

參考: myself

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用戶159403

2012-05-03 3:56 am

題目在此 http://upload.lsforum.net/users/public/z26240y0001h154.jpg

2012-05-02 20:07:43 補充：
你見唔到圖咩 --- link: http://upload.lsforum.net/users/public/z26240y0001h154.jpg

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一個青檸

2012-05-03 3:43 am

Then where is your question?

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