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If a circle has a radius of 10 cm, what is the length of an arc that subtends a central angle of 90 degrees?

Practice Questions

1 question
Q1
If a circle has a radius of 10 cm, what is the length of an arc that subtends a central angle of 90 degrees?
  1. 15.7 cm
  2. 25 cm
  3. 17.5 cm
  4. 20 cm

Questions & Step-by-step Solutions

1 item
Q
Q: If a circle has a radius of 10 cm, what is the length of an arc that subtends a central angle of 90 degrees?
Solution: The length of an arc is given by L = (θ/360) * 2πr. Here, L = (90/360) * 2π(10) = 17.5 cm.
Steps: 0

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