300m
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1 cm = 10 mm 20 cm x 10 = 200 mm 200 - 20 = 180 mm = 18 cm
20 cm does not equal 200 cm But 20 cm equals 200 mm because 1 cm = 10 mm
Well, honey, to find the side length of a square with an area of 400 cm², you take the square root of the area. So, the square root of 400 is 20. Therefore, the side length of the square is 20 cm. Hope that clears things up for ya!
1 meter is 100 cm 20% of 100 is 20 cm or 0.2 meter
22 cm. 2 dm=20 cm 22 cm-20 cm=2 cm