You are asking for area as volume is a cubic function and you have submitted only two values when needing three.
1 meter = 100 centimeters
100 cm * 40 cm
= 4000 cm2
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1 m = 100 cm So 40 m = 4000 cm
40 meters is taller. It takes 100 centimeters to equal 1 meter and 350 centimeters would only equal 3.5 meters.
There are 40 meters in 4000 centimeters.
1 cm = 1 cm 100 cm = 1m 1 cm = .01 m
1 m would be 100cm