The equation cos (35 degree) equals StartFraction a Over 25 EndFraction can be used to find the length of Line segment B C.
 Triangle A B C is shown. Angle A C B is a right angle and angle C B A is 35 degrees. The length of C B is a and the length of hypotenuse A B is 25 inches.
 What is the length of Line segment B C? Round to the nearest tenth.
 14.3 in.
 20.5 in.
 21.3 in.
 22.6 in.