1) Convert 120° to exact radians (use pi for π): 2) Convert 243° to radians (round to 2 decimal places): 7
6
3) Convert  to degrees: 4) Convert 3.25 radians to degrees (round to 2 decimal places): 5) Select the equation for arc length (select ALL correct answers): A) s  r B) r
 s
C) s
 r
D) r  s E)   rs 6) Select the equation for area of a Sector of a circle from the choices below (select ALL correct answers): A)
1
A   r2 2
B) A  2 r 2 7) Find the radius: 6π
2π
3
C) A 
2
2
r D) A 

2
r2 8) Find the exact arc length (use pi for π): 3π
4
8
9) Find the exact central angle (use pi for π): 8π
2
10) Find the exact area of the sector (use pi for π): 11) Find the radius: 12) Find the exact area (use pi for π):