Defining key terms related to circles

Convert 19pi/4 to degrees.

• 855 degrees
• 45 degrees
• -430 degrees
• -310 degrees

• 180 degrees

• 205 degrees

• 225 degrees

• 270 degrees

What is 7π/4 radians in degrees?

Mathematical Equivalence

ON

Convert 460⁰ to radians

• 23π/9

• 22π/6

• -π/9

• 31π/6

What setting on your calculator should you check before working trigonometry problems?

• It should be in "Degree" mode

• It should be in "Radian" mode

• All memory should be cleared

• The trig setting should be set to "on"

The degree equivalent to  $\frac{3\pi}{2}$  is (a)    $\degree$ 

(DO NOT TYPE THE DEGREE SYMBOL)

Convert 510^o to Radians

(a)  

• 25π / 3
• 23π / 8
• 17π / 6
• 51π / 8

How many degrees are in $\frac{\pi}{4}$   radians?

•  $30\degree$  

•  $45\degree$  

•  $60\degree$  

What is 7π/6 radians in degrees?=

• 225

• 210

• 270

• 240