Rotational and Reference Angles

An 89 degree angle of rotation will create a reference angle in which quadrant?

• Quadrant 3

• Quadrant 1

• Quadrant 2

• Quadrant 4

A 230 degree angle of rotation will create a reference angle in which quadrant?

• Quadrant 1

• Quadrant 2

• Quadrant 3

• Quadrant 4

A 285 degree angle of rotation will create a reference angle in which quadrant?

• Quadrant 1

• Quadrant 2

• Quadrant 3

• Quadrant 4

In which quadrant are the angle of rotation and the reference angle the same measure?

• Quadrant 4

• Quadrant 3

• Quadrant 2

• Quadrant 1

Which choice below is NOT true?

• A reference angle must always be less than 90 degrees

• A rotation angle has no limit to its measure

• A reference angle can be located in any of our 4 quadrants

• A reference angle to be greater than that of the rotation angle

Select the picture below that correctly shows a 175 degree rotation angle

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Tags

CCSS.8.G.A.3

CCSS.HSG.CO.A.5

• 22 degrees

• 68 degrees

• 92 degrees

• 18 degrees

(a)  

What is the measure of a reference angle created by a 319 degree rotation?

• 41 degrees

• 19 degrees

• 49 degrees

• 139 degrees

A reference angle measure 59 degrees and is located in quadrant 2. What is the angle of rotation that created this reference angle?

• 59 degrees

• 239 degrees

• 121 degrees

• 149 degrees