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Warm up: Solve for x

Warm up: Solve for x . 1.). 124 ◦. 2.). 70 ◦. x. 18 ◦. x. 4.). 3.). 260 ◦. x. 20 ◦. 110 ◦. x. Skills Check. Circumference & Arc Length of Circles. 2 Types of Answers. Rounded Type the Pi button on your calculator Toggle your answer Round. Exact

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Warm up: Solve for x

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  1. Warm up: Solve for x 1.) 124◦ 2.) 70◦ x 18◦ x 4.) 3.) 260◦ x 20◦ 110◦ x

  2. Skills Check

  3. Circumference & Arc Lengthof Circles

  4. 2 Types of Answers Rounded • Type the Pi button on your calculator • Toggle your answer • Round Exact • Type the Pi button on your calculator • Pi will be in your answer • TI 36X Pro gives exact answers

  5. Circumference The distance around a circle

  6. Circumference or

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

  8. 33 yd Ex 3 and 4: Find the circumference. Round to the nearest tenth. 14.3 mm

  9. 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

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

  11. Arc Length

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

  13. Ex 7. Find the exact Arc Length.

  14. A Ex 8 Find the radius. Round to the nearest hundredth. 60◦  B

  15. A 80◦ Ex 9 Find the circumference. Round to the nearest hundredth.  B

  16. A Ex 10 Find the radius of the unshaded region. Round to the nearest tenth. B 75◦ 

  17. Group Work Don’t get stumped, ask your group members for help.

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