Dimitri has a pool surrounded by concrete in his backyard. The dimensions of his backyard are 12x+2 units by 14x-2 units. The di
mensions of his pool are 5x-3 units by 2x units. If he wanted to put Astroturf in place of the concrete, what area does the concrete take up? If he wants to put a fence around the entire backyard, how many units of fencing would he need?
The ladder is forming a right triangle with the house. In this right triangle the hypotenuse is the measure of the ladder, and the distance between the house and he ladder is one of the sides of the triangle. To find the angle, , that the ladder is making with the ground, we are going to use a trig function that relates the adjacent side of our angle with the hypotenuse. That trig function is Cosine.
We can conclude that the ladder make with the ground a 62° angle.