What's the value?
What's the angle?
Formulas
Triangle Possibilities
Pieces of a Circle
100

sin60o

√3/2

100

sinθ = -1/2

0 < θ < 180o

210o, 330o

100

What is the formula to convert degrees to radians?

r = d * π/180o

100

Quan was using the law of sines to determine the number of possible triangles. He got 45o for the missing angle. What is the other possible angle?

135o

100

What is the circumference of a circle with radius 6?

12π

200

tan240o

1

200

tanθ = √3 

90o < θ < 270o

240o

200

What is the formula to convert radians to degrees?

d = r * 180o

200
sin(-20o) = sin(?)

200o

200

What is the area of a circle with radius 6?

36π

300

sec(-3π/4) 

-√2

300

cotθ = √3 

π/2 < θ < 3π/2

7π/6

300

What is the Law of Sines

sinA/a = sinB/b = sinC/c

300

Quan was solving a triangle, but then he determined there were no solutions. What must have been true about the trig ratio? 

sin > 1

300

What is the arc length of an arc of measure 100o?

10π/3

400

cot(600o)

√3

400

secθ = undefined

0 < θ < 2π

π/2 , 3π/2

400

What is the formula for a arc length for an arc measure of θo.

L = 2πr * θo/360o

400

How many triangles are there

<C = 54°, b = 24 km, c = 23 km

 one

400

What is the area of a sector with an arc of measure 100o?

10π

500

csc(-7π)

undefined

500

cscθ = √2

0 < θ < π

π/4 , 3π/4

500

What is the formula for a sector area for an arc measure of θo.

S = πr2 * θo/360o

500

Where did Ms. Cornell go to college?

CU

500

If the area of a circle is 45, what is the circumference? Round to the nearest tenth.

23.75