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WHAT IS THE AREA OF A 45 DEGREE ANGLE WHEN THE RADIUS IS 1CM
 Mar 14, 2012

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area of full circle: A=pi*r^2

here A=pi*(1cm)^2
[input]pi*(1cm)^2[/input]

45deg of 360deg = 45/360
[input]45/360[/input]
=1/8

A 45=1/8*pi*r^2
[input]1/8*pi*(1cm)^2[/input]
 Mar 14, 2012

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