The area that each color would occupy in the circular garden is: 251.32 sq. ft.
Area of a circle = πr², where the radius of the circle is represented as r.
Area of the circular garden = πr² = π(20²)
Area of the circular garden = 1,256.6 sq. ft.
Area of space each color would cover = 1,256.6/5 = 251.32 sq. ft.
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