We use cm2 as a unit to measure the area of an eraser
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i dont know brother which type of this math
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We use cm when we want to measure the length of a one dimensional object. Cm can be used when finding perimeter, or when finding the length of a line.
cm2 is used when we want to find the specific area of something. Why cm2? Let's say we want to find the area of a rectangle that is 8cm long and 7cm wide. Normally you would just do 8×7=56 and attach the cm2 to the end of it. But let's do this properly, using the actual units in our calculation.
A=8cm×7cm=56×cm×cm=56cm2
Why can't you use cm when finding area? Remember, cm is to find length. How would you find the
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