Convert the mm into cm first.
99.1 mm = 9.91 cm
33.9 mm = 3.39 cm
9.91 * 3.39 = 33.5949 square cm
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10 millimeters (or mm) = 1 centimeter (or cm) 2 centimeters (or cm) = 20 mm. Therefore 2 centimeters is bigger (>) then 10 millimeters.
There are 16 centimeters in 160 millimeters. 160 millimeters x 0.1 centimeters/ 1 millimeter = 16 centimeters 1 millimeter = 0.1 centimeters
There are 10 millimeters in 1 centimeter. 150 mm * (1 cm/10 mm) = 15 cm 150 millimeters is equal to 15 centimeters.
There are 10 millimeters in one centimeter, so 75 millimeters is equal to 7.5 centimeters.
1 cm = 10 mm → 17 cm = 17 x 10 mm = 170 mm