Form 3 Maths

2010-04-01 7:18 am
[In this exercise, unless otherwise specified, give the answers correct to 3 significant figures if necessary]

Question:
http://img83.imageshack.us/img83/6232/img025r.jpg

Answer:
747 cm^3

Thank you for giving the STEPS of this question!

回答 (1)

2010-04-01 7:38 am
✔ 最佳答案
When the sphere is completely covered by the water ,
the volume of the water = 21 x 10 x 6 - (4/3)(TT)(6/2)^3
= 1146.9 cm^3
Since there are 400cm^2 in the box ,

So 1146.9 - 400 = 746.9 = 747 cm^3 water should be add.


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