SOLUTION: If the hypotenuse of a right triangle is 10 inches, and an adjacent side is 5 inches, what is the measure of the angle between those two sides?

Algebra ->  Trigonometry-basics -> SOLUTION: If the hypotenuse of a right triangle is 10 inches, and an adjacent side is 5 inches, what is the measure of the angle between those two sides?       Log On


   

Question 588748: If the hypotenuse of a right triangle is 10 inches, and an adjacent side is 5 inches, what is the measure of the angle between those two sides?

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
cos(theta) = adjacent/hypotenuse

cos(x) = 5/10

arccos(cos(x)) = arccos(5/10)

x = arccos(5/10)

x = arccos(0.5)

x = 60


So the measure of the angle is theta = 60 degrees.