Radians Flashcards
1
Q
180°
A
π
2
Q
360°
A
2π
3
Q
45°
A
π/4
4
Q
60°
A
π/3
5
Q
270°
A
3π/2
6
Q
120°
A
2π/3
7
Q
30°
A
π/6
8
Q
135°
A
3π/4
9
Q
90°
A
π/2
10
Q
150°
A
5π/6
11
Q
Circumference
A
πD or 2πr
12
Q
Arc Length (Degrees)
A
(x/360)2πr
13
Q
Arc Length (Radians)
A
rx
14
Q
Sector Area (Degrees)
A
(x/360)πr²
15
Q
Sector Area (Radians)
A
(1/2)r²x
