The side of a square, the side of an equilateral triangle and the diameter of a circle are equal. Find the ratio between the area of square, the area of equilateral triangle and the area of circle?
1
21 ∶ 7√3 ∶ 19
2
28 ∶ 7√3 ∶ 22
3
23 ∶ 7√3 ∶ 18
4
25 ∶ 7√3 ∶ 20