ANSWERS: 3

You'll find the procedure here: http://www.mathgoodies.com/lessons/vol2/circle_area.html

This is your spelling teacher speaking, shock: Other than Steve's response, get your butt back in math class and learn that it's spelled "pi"! :)

Radius = 37cos(90) + 12  7sin(90) Diameter = twice the Radius. You do the math.
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