Find the measure of an exterior angle at the base of an isosceles triangle whose vertex angle is 40.draw a picture and show all work

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

Classify the following triangle check all that apply

Which of the following is the true for f(x) = 5cos