JIPMAT: GeometryPolygons. Free, no login required.

The cost of fencing of an equilateral triangular park and a square park is the same. If the area of the triangular park is $16\sqrt{3}$ m$^2$, then the length of the diagonal of the square park is :

Arrange the following in descending order based on their perimeters:

A. A square with an area of 36 sq. cm.

B. An equilateral triangle with a side of 9 cm.

C. A rectangle with 10 cm as length and 40 sq. cm as area.

D. A circle with radius of 4 cm.