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Warm Up April 24 th

Warm Up April 24 th. What is the formula for the inscribed angle? What is the formula for a vector outside the circle?. EOCT Week 14 #4. Circumference & Arc Length of Circles. Circumference. The distance around a circle. Circumference. or. r = 14 feet d = 15 miles.

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Warm Up April 24 th

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  1. Warm Up April 24th • What is the formula for the inscribed angle? • What is the formula for a vector outside the circle?

  2. EOCT Week 14 #4

  3. Circumference & Arc Lengthof Circles

  4. Circumference The distance around a circle

  5. Circumference or

  6. r = 14 feet d = 15 miles Find the EXACT circumference.

  7. 33 yd Ex 3 and 4: Find the circumference. Round to the nearest tenths. 14.3 mm

  8. 5. A circular flower garden has a radius of 3 feet. Find the circumference of the garden to the nearest hundredths. C = 18.85 ft

  9. Arc Length The distance along the curved line making the arc (NOT a degree amount)

  10. Arc Length

  11. Ex 6. Find the Arc LengthRound to the nearest hundredths 8m  70

  12. Ex 7. Find the Arc Length Round to the nearest hundredths 12 in  110

  13. Ex 8. Find the exact Arc Length.

  14. Area of a Circle

  15. Ex 9. Find the exact area of the circle.

  16. Ex 10. Find the exact area of the circle.

  17. Area of a sector of a circle

  18. Ex 11. Find the exact area of the sector of the circle.

  19. Ex 12. Find the exact area of the sector of the circle.

  20. Area of a segment

  21. Ex 13. Find the area of the segment.

  22. Ex 14. Find the area of the segment.

  23. Radian Measure of a Circle another way to measure angles!

  24. How to convert from … • Degrees to Radians: • Radians to Degrees: Mode – RAD Type degrees Math – DMS – 1: ORAngle – 1: enter Mode – DEG Type radians Math – DMS – 4: OR Angle – 4: enter

  25. Arc Length Homework 11 problems

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