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6.8 Ares of Circles and Sectors

6.8 Ares of Circles and Sectors. 6.7-6.8 Quiz: Friday 6.5-6.8 Test: Nov. 30 Performance Final: Dec. 2 6.9 Quiz: Dec. 7 (maybe!) Final Exam. Vocabulary. Area of a circle The area of a circle is π times the square of the radius. A= π r 2. Example 1:. Find the area of the circle.

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6.8 Ares of Circles and Sectors

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  1. 6.8 Ares of Circles and Sectors 6.7-6.8 Quiz: Friday6.5-6.8 Test: Nov. 30 Performance Final: Dec. 2 6.9 Quiz: Dec. 7 (maybe!) Final Exam

  2. Vocabulary • Area of a circle • The area of a circle is π times the square of the radius. A=πr2

  3. Example 1: • Find the area of the circle. • Find the diameter of the circle.

  4. Vocabulary • A sector of a circle is the region bounded by two radii of the circle and their intercepted arc. • Piece of a circle

  5. Vocabulary • Area of a sector

  6. Example 2: • Find the areas of the sectors formed by angle RQS. (Small and large sector)

  7. You Try: • Find the radius of the circle. • Find the areas of the sectors formed by angle RQS.

  8. Last One: this is #14 from your HW tonight  1) Find the radius of circle H.

  9. Classwork/Homework: • P. 232 #1-15all • Quiz Corrections: DUE TOMORROW! • Re-work all missed questions on a NEW sheet of paper. • Must show ALL work to receive credit!

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