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Do Now!

Do Now!. Announcements!. Turn in your homework! (3 rd & 4 th block only) Quarter 4 Projects due this Friday, 5/11 Starting Unit 7 today! Test next Friday, 5/18 Tutoring Tuesday & Thursday until 3 pm 2 nd Block – Remediation Program Unit 6 Tests & Progress Reports

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Do Now!

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  1. Do Now!

  2. Announcements! • Turn in your homework! (3rd & 4th block only) • Quarter 4 Projects due this Friday, 5/11 • Starting Unit 7 today! Test next Friday, 5/18 • Tutoring Tuesday & Thursday until 3 pm • 2nd Block – Remediation Program • Unit 6 Tests & Progress Reports • Must be signed by this Friday, 5/11!!

  3. Upcoming Schedule • Unit 7 – 2 weeks • Unit 8 – 1 week • Review for final – 3 days • FINALS! • SUMMER!! 

  4. Lesson 10-6: Circles & Arcs Students will find the measures of central angles and arcs. Students will find the circumference and arc length.

  5. Central angle: an angle whose vertex is the center of the circle.

  6. Types of Arcs

  7. Practice!

  8. Measures of Arcs

  9. Arcs • Adjacent arcs: arcs of the same circle that have exactly one point in common. • Arc Addition Postulate: the measure of an arc formed by two smaller arcs is the sum of those two arcs.

  10. Practice!

  11. Circumference • Circumference: distance around the circle • Pi: the ratio of the circumference of a circle to its diameter (). • Approximately 3.14

  12. Arc Length • Arc length: fraction of the circle’s circumference

  13. Circumference & Arc Length Leave all answers in terms of pi! • For each problem, find: • The circumference of the circle • The measurement of the red arc • The length of the red arc

  14. Step it up! • It is 5:00 p.m. What is the measure of the minor arc formed by the hands of an analog clock?

  15. Independent Practice & homework! • Workbook page 271 • #1-3 (just name 3 for each) • #5-15 odd • #16-17 • #23-25 • 14 problems total – due tomorrow!

  16. Honors:Independent Practice & homework! • Workbook page 271 • #21-22 • #23-33 odd • #38-40 • 10 problems total – due tomorrow!

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