Estimate the area of a circle with a radius of 3.1 feet

1. are the triangles similar and if so why? what is the value of x? show your work.

The clayton family’s pool has vertices at the coordinates (0, 2), (0, 5), (2, 5), (2, 6), (5, 6), (5, 1), (2, 1), and (2, 2). if each grid square has an area of 9 square feet, what is the area of the pool?

What dimensions can créate more than one triangle ?