Three squares add up to two circles, four triangles add up to two squares. How many triangles does a circle equal?
A circle = 3 / 2 square, a square = 2 triangles, so a circle = 3 / 2 square = 3 / 2 × 2 triangles = 3 / 2 × 2 triangles
A circle = 3 / 2 square, a square = 2 triangles, so a circle = 3 / 2 square = 3 / 2 × 2 triangles = 3 / 2 × 2 triangles