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Lesson Worksheet: Arc Lengths and Sectors: Degrees Mathematics
In this worksheet, we will practice finding the arc length and the area of a sector given the angle measure in degrees.
What is the length of the arc subtended by a central angle of on a circle of radius ?
What angle is subtended by an arc of length 20 in a circle of circumference 80?
An arc covers of a circle’s circumference and the circle has a radius of 78 cm. Find the measure and the length of the arc using as an approximation for , rounding the length to the nearest hundredth..
- A, 54.45 cm
- B, 108.91 cm
- C, 108.91 cm
- D, 54.45 cm
In the given figure, the circumference is 15 and is . Find the length of .