Any one under stand all this stuff
pi x r x r d
3.142 x 4.5 x 4.5 x 9
Its driving me mad, i am trying to work out how many cubic cm will fit in a cylinder without using a calculator, dos any one know a formula to work it out in your head or on paper.
I did this sum 4 time's tonight and ended up with fore different answers and none of them right, did it on a calculator and got it right first time.
Please anyone help me.