unit 8: circles Flashcards
1
Q
what is a radian?
A
a radian is a unit of measurement for angles, it is the (arc length/radius length)
2
Q
conversion for radian?
A
1 rad = 180/pi = 57.3 degrees
3
Q
how to convert from degree to radian?
A
degree x (pi/180) = rad measurement