Shaded Regions - What proportion of the shape is shaded?
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Circle in an equilateral triangle
Circle in a square
Circle in a regular pentagon
Circle in a regular hexagon
Circle in a regular heptagon
Circle in a regular octagon
Circle in a regular nonagon
Circle in a regular decagon
Equilateral triangle in a circle
Square in a circle
Regular pentagon in a circle
Regular hexagon in a circle
Regular heptagon in a circle
Regular octagon in a circle
Regular nonagon in a circle
Regular decagon in a circle
Square in a square