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Formula for circumference of a circle
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Classroom Contents
Circles Lesson 3 - Circumference and Arc Length
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- 1 Formula for circumference of a circle
- 2 Definition of circumference
- 3 Formula for circumference involving radius explained
- 4 Sample problem-find the circumference of a circle
- 5 Arc length formula explained
- 6 Sample problem-finding the arc length of a circle
- 7 Sample problem-finding the arc length of a circle when given the diameter and the central angle
- 8 Sample problem-find the radius of a circle given the arc length
- 9 Answer to sample problem 5 Find the radius of OP
- 10 Sample problem 6 Find the circumference of the circle
- 11 Qurstion 7 Find the measure of arc AB
- 12 Question 8 Find the diameter
- 13 Question 9 Find the length of arc AB
- 14 Question 11 Find length of arc AB
- 15 Question 12 Length of semicircle
- 16 Questions 13,14,15 16 Find the circumference of each circle
- 17 Questions 17,18,19 Finding arc lengths
- 18 Questions 20,21,22 Finding arc length,circumference,and radius
