Lesson 3: The Unit Circle (Part 1) Cool Down: Radian measure YA Q Here is a circle with radius 1 unit. 1. The arc PQ has a length of. What is the measure of ZPOQ in radians? 2. If Q has approximate coordinates (0.5, 0.87), name one other (x, y) coordinate pair that must also be on this circle that has either the same x- or y-coordinate. 3. Label the point R on the circle so that POR has measure radians. Explain how you determined R.

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Lesson 3: The Unit Circle (Part 1)
Cool Down: Radian measure
Here is a circle with radius 1 unit.
O
1. The arc PQ has a length of: What is the measure of ZPOQ in radians?
Algebra 2 Unit 6
Illustrative
Mathematics
IM
2. If Q has approximate coordinates (0.5, 0.87), name one other (x, y) coordinate pair
that must also be on this circle that has either the same x- or y-coordinate.
3. Label the point R on the circle so that ZPOR has measure radians. Explain how
you determined R.
CRV 2010 hulletrative Mathemarie@
Transcribed Image Text:Lesson 3: The Unit Circle (Part 1) Cool Down: Radian measure Here is a circle with radius 1 unit. O 1. The arc PQ has a length of: What is the measure of ZPOQ in radians? Algebra 2 Unit 6 Illustrative Mathematics IM 2. If Q has approximate coordinates (0.5, 0.87), name one other (x, y) coordinate pair that must also be on this circle that has either the same x- or y-coordinate. 3. Label the point R on the circle so that ZPOR has measure radians. Explain how you determined R. CRV 2010 hulletrative Mathemarie@
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