As shown in the figure, the side length of a square is 12 cm. Draw semicircles with four sides as diameters to form a four leaf graph. Find the perimeter of the four leaf graph

As shown in the figure, the side length of a square is 12 cm. Draw semicircles with four sides as diameters to form a four leaf graph. Find the perimeter of the four leaf graph

This is equal to finding the perimeter of the arc of four semicircles. Combine them into two circles
And the side length of the square is 12, and it is the diameter of the semicircle
12 × 3.14 (approximate value of π) = 37.68 (CM)
Then = 4 × & frac12; = 2 (pieces)
2×37.68=75.36(cm)
It's done. Give me points!