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cm stands for centimeters.
square centimeters means that you have two measurements of cenitmeters... usually in a geometric shape. When you need to find the area (the area is the space inside the object) your units are square centimeters since you have to multiply centimeters by centimeters.
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What is the area of a square if it is 20 cm sq?
If you mean that the square has side equal to 20 cm, then the area is 20 x 20 = 400 square cm
What does 27 cm x 36 cm mean in cm?
It means an area of 27 x 36 = 972 square cm
How much square cm is equal to square feet?
As we know, 1 ft = 30.48 cm 1 square ft=(30.48)2 square cm =30.48*30.48 square cm =929.0304 square cm
What is the perimeter square whose sides equal 5 centimeters?
Assuming by "equal" you mean that each side is 5 cm, then the perimeter of a square is 5 cm * 4 (sides) = 5 cm + 5 cm + 5 cm + 5 cm = 20 cm The perimeter of any polygon is the sum of the sides Alternatively if by "equal" you mean the sides sum to 5 cm, then the perimeter is 5 cm. Although this is probably not what you meant =)
What is the area of a square with base 12cm and height 6cm?
There is no such square with those dimensions but if you mean a rectangle then 12*6 = 72 square cm
