Need help figuring out the angles

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?

Asequence is a function whose is the set of natural numbers

Maria solved an equation as shown below. what is the solution to maria’s equation?