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If a circle has a radius of 3 cm, what is the length of an arc that subtends a c

Practice Questions

Q1
If a circle has a radius of 3 cm, what is the length of an arc that subtends a central angle of 120 degrees?
  1. 2π cm
  2. π cm
  3. 6π/3 cm
  4. 4π/3 cm

Questions & Step-by-Step Solutions

If a circle has a radius of 3 cm, what is the length of an arc that subtends a central angle of 120 degrees?
  • Arc Length Calculation – The formula for calculating the length of an arc based on the radius and the central angle in degrees.
  • Understanding Central Angles – The relationship between the central angle and the fraction of the circle it represents.
  • Proportional Relationships – Using proportions to relate the angle to the total degrees in a circle (360 degrees).
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