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Warm-up 6.5 and 6.6 Arc Length and Around the World

Warm-up 6.5 and 6.6 Arc Length and Around the World. H.W. Answers pg 337 and 338 #1-14. 6.6 Around the World.

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Warm-up 6.5 and 6.6 Arc Length and Around the World

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  1. Warm-up6.5 and 6.6 Arc Length and Around the World

  2. H.W. Answers pg 337 and 338 #1-14

  3. 6.6 Around the World • A satellite in a nearly circular orbit is 2000km above the Earth’ssurface. The radius of Earth is approximately 6400km. If the satellite completes its orbit in 12 hours, calculate the speed of the satellite in kilometers per hour.

  4. 2. If the diameter of the earth is 8000 miles, find the average speed in miles per hour PhineasFogg (character from Around the World in Eighty days) needs to circumnavigate the earth about the equator in 80 days. Homework 1) pg 342 # 3 - 5

  5. Next slide will display right side top corner of open foldable

  6. Right topproperties and illustrated examples of Central Angles

  7. Next slide will display right side bottom corner of open foldable

  8. Right bottomproperties and illustrated examples of Inscribed Angles

  9. Extra information on Tangents, secants and chords on back of foldable

  10. Back of Foldable - top half

  11. Back of Foldable – bottom half

  12. Quiz on 6.5 and 6.7 • Read directions carefully. • Remember your conjectures. • When you finish your homework complete pg 342 # 3 – 5 Get notes together 1) 6.1, 2) 6.2 and 6.3, 3) 6.1 to 6.3 Practice Your Skills, 4) 6.4, 5) 6.5, 6) 6.6 and 6.7 6 notes 12 pts each = 72 pts C-53 to C-66 14 conjectures 2 pts each = 28 pts

  13. Warm-up6.7 Arc Length 1. 2.

  14. 6.7 Arc Length Arc measure and arc length are different. Arc measure is in degrees, and arc length will be in inches, cm, etc because it is distance around part of a circle.

  15. 6.7 Arc Length Now find each arc length, if all the circles above have a radius of 12 in. If you had to write a formula for arc length, what would it be?

  16. Two more Examples If you had to come up with the formula for arc length, what would it be?

  17. Homework 2) pg 351 #1- 8 Start Notebook Check 1) 6.1, 2) 6.2 and 6.3, 3) 6.1 to 6.3 Practice Your Skills, 4) 6.4, 5) 6.5, 6) 6.6 and 6.7 6 notes 12 pts each = 72 pts C-53 to C-66 14 conjectures 2 pts each = 28 pts

  18. Common Quiz Mistakes Form A Radii in circle Prop. or definition of isosceles triangle Prop. or definition of isosceles triangle Same angle or given Substitution

  19. Common Quiz Mistakes Form B

  20. 6.6 H.W. Answers

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