Find the arc length of the partial circle. Either intern exact answer in terms of pi or use 3.14 for pi and into your answer as a decimal.

10 ! in a race, nick is 50 feet in front of jay after ten seconds. how fast can nick run, if jay can run 20 feet per second?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn. if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.