GEOMETRY

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In a arcade game, the "monster" is the shaded sector of a circle of radius 3 cm, as shown in the figure. The missing piece (the mouth) has a central angle of 60 degrees. What is the area of the monster in cm^2

  1. Steve

    since 60 is 1/6 of 360, the mouth is 1/6 of the circle.

    You now have just 5/6 of the circle.

    I'm sure you know how to find the area of 5/6 of a circle, no?

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