Whats four times the root of 81

36

Step-by-step explanation:

The root of 81 is 9 because 9 x 9 = 81

so 4 x 9 =36

Section C

Step-by-step explanation:

A rhombus is simply a flat shaped object with 4 straight sides that are equal to each other.

Looking at the image given, we have four different sections provided. The only section that provides room for a shape of 4 equal sides is a square.

Rectangle has only 2 equal sides. Equilateral triangle has 3 equal sides. Parallelogram has 2 equal sides.

Thus, the right answer is Square which is section C