Geopardy!

Trig

100

What is sin(45)?

2^1/2/2

200

What is cos(60)?

1/2

300

What is tan(45)?

1

400

What is sin(150)?

1/2

500

What is tan(240)?

3^1/2

Unit Circle

100

What is the radius of the unit circle?

1

200

In which quadrants is sine positive?

I and II

300

In which quadrants is cosine negative?

II and III

400

In which quadrants is tangent negative?

II and IV

500

How do you remember what the coordinates are?

All coordinates start with x^1/2/2. Count down from the top, then back up from the bottom. 

Definitions

100

Radius

The distance from the center to the edge of a circle. 

200

Diameter

The distance from one end of a circle to the other. 

300

Circumference

The perimeter of a circle. 

400

Area

The two dimensional space inside something. 

500

Arc length

Part of the perimeter of a circle. 

Radians

100

What is 90 degrees in radians?

pi/2

200

What is 180 degrees in radians?

pi

300

What is the conversion from degrees to radians?

pi/180

400

What is the conversion from radians to degrees?

180/pi

500

What is 210deg in radians?

7*pi/6

A, P, and S

100

How do you calculate the perimeter of a circle?

P=C=2*pi*r

200

How do you calculate the area of a circle?

A=pi*r²

300

How do you calculate the arc length of a circle?

S=r*theta

400

What is the circumference of the unit circle?

2*pi

500

What is the arc length of a 90deg section of the unit circle?

pi/2