Answers

2014-09-01T20:38:06+08:00
Perimeter of Square : 4a
Perimeter of Rectangle : 2l + 2w

Circumference: 3.14 times diameter
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2014-09-01T20:48:35+08:00
To get a perimeter, take the sum of the length of each side of the polygon. To find a circumference, multiplying pi(3.14) by the diameter of the circle.
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