A square has an area of 100 in2. What is the perimeter of the square?

1 answer:

7 0

40 in2.

To find the area you multiply the width by length so you would have to find what multiplied by what would equal 100. This gives you the answer of 10. To find the perimeter you add up all the sides and because a square has 4 sides you would add 10+10+10+10 which equals 40. Hope this helped!

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An explanation for this is that a straight line has a angle degree value of 180. Therefore if you draw the line that creates a 139 degree angle, the rest of the line would have an angle measurement of what is left of the 180 degrees. So to get x you would start with the 180 degree straight line value and subtract the 139 degrees of the line that divides it. so equation is:
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which is basically the same equation but might be easier explanation for some to understand.)

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