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GRE
GRE Quantitative Reasoning Section

Length of Arc in a Circle

Easy Geometry Circles

Consider a circle with a radius of 5 units. A radius of the circle is drawn, creating a central angle of 60 degrees. What is the length of the arc that subtends this angle?

Recall that the formula for calculating the length of an arc (L) in a circle is given by: $$L = r \cdot \theta$$, where:

  • $$L$$ is the length of the arc
  • $$r$$ is the radius of the circle
  • $$\theta$$ is the angle in radians

You will need to convert degrees to radians for the calculation.

Hint

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