[請加上繳交日期]F.2 MATH(急)
1.In the figure,ABCD is a square with sides of 5 cm each,BD is an arc of a circle with the centre at A.
Find the area of the shaded region
2.A metal cube with sides of 10 cm each is melted and recast as 20 cylinders with the base radius of 1 cm.
Find the height of the cylinder.
3.There is some water inside a cylindrical container with the base radius of 6 cm.If a solid cylinder with the base radius of 2 cm is put into the container vertically to make water level rises,find the rise in the water level
[ 本帖最後由 cHoi_vy 於 2007-6-1 05:18 PM 編輯 ]
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