A wheel whose radius is 15 inches is turning at a speed of 300 revolutions per minute.Find the speed in miles per hour of a point on the wheel?

1 radian =

In a circle of diameter 40 cm the length of a chord is 20 cm.Then the length of the minor arc corresponding to the chord is

The angle between two hands when the time is 7.20

23^o 20^o = _________ radians.

A wheel makes 180 revolutions in one minute.Through how many radians does it turn in one second?

80^o 33' 20'' = ____________.

15^o 28' 32'' + 12^o 32' 58'' =

π/3 radians =

(2 4/5)^o = ______^o _______'