A fan has five equally spaced blades. Suppose you line up two fans directly on top of each other. What is the least number of degrees that you can rotate the top fan so that the two fans are perfectly aligned again? A fan has 5 equally spaced blades.
A. 120°
B. 60°
C. 90°
D. 72°

Nthe diagram, bc¯¯¯¯¯∥de¯¯¯¯¯ . what is ce ? enter your answer in the box. m a triangle with vertices labeled as a, b, and c. side b c is base. sides a b and a c contain points d and e, respectively. a line segment is drawn from d to e. side a d is labeled 2 meters. side d b is labeled 10 meters. side a e is labeled 3 meters. base b c and line segment d e are marked with arrows pointing the same direction.