1 centimeter sqare equals how many millimeter square?

Answer 1

1 cm = 10 mm, so

1 cm2 = 100 mm2

Technically, the correct answer is 10, because the question asks about centimeter square and millimeters square, not square cenitimeter and square millimeters.

Answer 2

1 centimeter square equals 100 millimeter square, because there are 10 millimeters in 1 centimeter, so when we square the length and width, we get 10 x 10 = 100.