Problema Solution
Each of two legs of a stepladder is 12 feet long. If the angle formed by the legs measures 13 degrees, how far apart are the feet of the stepladder?
Answer provided by our tutors
x^2 = 12^2 + 12 ^2 - 2(12)(12) cos 13(degree symbol)
x^2 = 144 + 144 - 280.6185
x = 2.7169 feet apart