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Circle Geometry: Circumference and Arc Length Calculations

This study guide focuses on solving problems related to the circumference and arc length of circles. It includes a set of practice problems for finding the exact circumference given the diameter and radius, as well as calculating arc lengths for given angles in degrees. Learn how to approach each problem and round your answers to the specified decimal places. The guide features examples such as a garden with a radius and various arc lengths to prepare you for your homework and group work packets.

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Circle Geometry: Circumference and Arc Length Calculations

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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. Questions over hw?

  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. Group Work Packet Practice & Task

  15. Arc Length Homework 11 problems

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