SOLUTION: how do you find the circumfrence of an area

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Question 53137This question is from textbook geometry
: how do you find the circumfrence of an area This question is from textbook geometry

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
IF THE AREA IS A CIRCLE THEN THE FORMULA IS C=2(PI)R WHERE PI=3.14 OR 22/7 & R IS THE RADIUS OF THE CIRCLE.
IF THE AREA IS A RECTANGLE OR A SQUARE THEN THE PERIMETER IS 2*LENGTH+2*WIDTH.
IF THE AREA IS A TRIANGLE THEN THE PERIMETER IS SIDE1+SIDE2+SIDE3