if we have a circle with perimeter 30 cm, how many cm^2(exactly) are in the circle area? in other words, how many square units(cm^2)(but exactly) are there, if i were count them?
Thanks for your supports and sorry for my languages...
thanks but u calculate circle area. i want to count only exact square units(not semi-square or another) in the circle area...i hope i can explain the problem correctly....
thanks but u calculate circle area. i want to count only exact square units(not semi-square or another) in the circle area...i hope i can explain the problem correctly....
Do you mean how many actual squares, 1 cm on a side, can be put into the circle without overlapping?