5/6 pi
or, showing the reasoning,
(1 - 60/360) * pi * 1^2
In a arcade game, the "monster" is the shaded sector of a circle of radius 1 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
3 answers
5π+2
5/3pi