Find the area of a sector of a circle of radius 3cm formed by an angle of 60 degrees. Round answer to two decimal places.
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the area of a sector is 1/2 *r^2* a in radians. pi radians=180 deagrees -> pi/3 rad=60 degrees. so S=(3^2*pi/3)/2=1.5pi
To find the area of a sector of a circle: Area of a circle is: If you want to do it using radians like Tom1234 suggested: Here's how you convert from radians to degrees and vice versa: Then:
Wonderful job!
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