Download - Pre-Cal 40S Slides February 5, 2008
Transcript
Pies are circles are too.
... and Pi Day is coming ...
Pi pie
D is an angle in degrees R is an angle in radians
CONVERTING DEGREES AND RADIANS
Convert 20° into radians.
Convert 25° into radians.
Convert radians into degrees.
Convert radians into degrees.
A bicycle wheel has a diameter of 0.4 meters. A point on the outer rim travelled 2.6 m. How many radians has the wheel turned?