becouse you have one side of 100cm =1m , and one more of 100cm=1
then 100cm x 100cm=10 000 cm2 and 10 000 cm2=1 m2 ;)
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Begin with an equation that is known, or is easy to find. Your question asks to convert a 2-dimensional quantity (area) from the metric measurement system into the English system. Let us first reduce the problem into a single dimension, linear, where conversion factors are more easily remembered (or more easily found), then use algebra to obtain the final answer: Given the equality 2.54 centimeters (cm) equals 1 inch (in.); or 2.54 cm = 1 in. and also that 100cm = 1 m and also that 12in. = 1 ft. we can soon proceed with conversion. We learn in Algebra that we keep an equation true by doing the same thing to both sides of it. There are 2 exceptions. We may add zero to one side and not the other all we like. And we may multiply one side and not the other by 1 as much as we like. When we do conversions (units we know to the units we want,) we are multiplying by 1. (1 in./2.54 cm) = one because they are equal quatities, and anything divided by itself is 1 We have 1m2 and we want ft.2 ... 1m2 X ((100 cm)2/1m2) X (1 in./2.54cm)2 X (1 ft./12in.)2 1m2 X (10000 cm2/1m2) X (1 in.2/2.542cm2) X (1 ft. 2/ 122 in.2) 1m2 X (10000 cm2/1m2) X (1 in.2/6.452 cm2) X (1 ft. 2/ 144 in.2) = 10.76 ft.2 One m2 equals 10.76 square feet, So to change m2 to square feet, multiply by 10.76
Taking 1 inch to be about 2.5cm, an inch of rain on an area of 1m2 is approximatley 0.025m3, or 25000cm3. That is 25000ml or 25l of water.
If AC equals 6 and BD equals 4, then AB equals 5.
When equals are added to equals, you don't necessarily get wholes. But whatever you do get, they're equal.
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