Circle Practice

What is 7π/4 radians in degrees?

• 300

• 135

• 315

• 45

What is the radius of a unit circle?

• 1

• 2

• 1/2

• 0

Choose the best match for the graph.

• 30^o

• 45^o

• 60^o

• 90^o

Choose the best match for the graph.

• 30^o

• 45^o

• 60^o

• 90^o

Match the following

• Secant

• Chord

• Semi Circle

• Point of Tangency

• Central Angle

Based on your unit circle cos(0^o)=

• 1

• 0

• -1

• 1/2

Based on your unit circle sin(90^o)=

• 1/2

• 0

• -1

• 1

What is half a circle in radians?

• π/4

• π

• 2π

• π/2

Identify the Positive angle in both radians and degrees that represent point H.

Identify the Positive angle in both radians and degrees that represent point D.