4x5=20
4x6=24
4x6=24
=68
5/2=2.5
2.5x7=17.5
2.5x7=17.5
17.5+17.5=35
Here is a link to help you understand.
Cylinder Volume and Volume Problems
πr^2
3.14x5cmx5cm
a= 78.5cm^2
Area of base X height
78.5cm^2 X 23cm
v= 1805.5 cm^3
Tuesday, January 25, 2011
Surface Area Questions
Cylinder Volume and Volume Problems
πr^2
3.14x5cmx5cm
a= 78.5cm^2
Area of base X height
78.5cm^2 X 23cm
v= 1805.5 cm^3
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