Show:
unit circle degrees
unit circle radians
right triangles
arc length
area of a sector
10

convert pi to degrees

180º

10

convert 90º into radians 

pi/2

10

what must a right triangle include

a right angle 

10

what is the formula to finding arc length 

S=rθ


10

whats the formula to find the area of a sector 

A (1/2)r^2(θ)


100

convert pi/2 to degrees

90º

100

convert 180º into radians

pi

100

solve for side c

a=3 b=4 c=?


c=5

100

find the arc length 

r=8   θ=2pi/5


S=16pi/5

100

find the area of a sector

S=pi  r=3

4.5pi/3

200

convert 7pi/6 to degrees

210º

200

convert 150º into radian 

5pi/6

200

solve for c 

a=12 b=16 c=?

c=20

200
Find the arc length 
 r=2cm    θ=3pi/5


12pi/5 cm

200

find the area of a sector 

S=3pi   r=6  

θ=9pi

300

convert 3pi/2 to degrees

270º

300

convert 240º into radians 

4pi/3

300

solve for b

a=10 b=? c=16

b=12.48

300

Find the arc length 

r=15cm θ=7pi/4 radians


105pi/4 cm

300

find the area of a sector

S=2pi   r=6

θ=6pi


400

convert 3pi/4 to degrees

135º

400

convert 45º into radian 

pi/4

400

solve for a

a=? b=8 c=10

a=6

400

Find the length of the arc 

r=4cm   θ=5pi/4


5pi cm

400

Find the area of the sector

S=3pi   r=6

9pi