Areas of Circles and Sectors

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Section 11.5

• Areas of Circles and Sectors

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Homework

• Pg 758 11-18, 26-31

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Vocabulary

• Sector of a circle is a region bounded by two
  radii of the circle and their intercepted arc

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Theorem 11.9 Area of a Circle
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Theorem 11.10 Area of a Sector
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Find areas of sectors
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Use the diagram to find the indicated measure.
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Use the diagram to find the indicated measure.
2. Area of red sector
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Use the diagram to find the indicated measure.
3. Area of blue sector
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Use the Area of a Sector Theorem
Use the diagram to find the area of V.
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