Radians Flashcards
1
Q
What is a radian?
A
A measure of a segment of a circle based on radius (part of the “inside of the doughnut”)
2
Q
What is the equation for the circumference of a circle based on radians?
A
2 x π x no. of radians
3
Q
What is the equation for the no. of radians in a circle?
A
radians = (π / 180) x degrees
4
Q
What is the equation for the area of a sector (using radians)?
A
A = 1/2 x r^2 x θ
5
Q
What is the equation for arc length in relation to radians?
A
S = r x θ (in radians)
