You can put this solution on YOUR website! A circle with a radius of 9 cm
has a diameter of 18 cm.
This is the 'width' of the circle.
Divide 18 into 370 = 20.5
Divide 18 into 105 = 5.83
Out of a sheet measuring 370
x 105 cm, 20 * 5 = 100 circles can be cut.
Hope this helps.
:-)