Loading...
GRE
GRE Quantitative Reasoning Section

Length of a Chord in a Circle

Easy Geometry Circles

In a circle, the radius measures 6 units. A chord is drawn such that it creates a central angle of 120 degrees. What is the length of the chord?

To find the length of a chord given the radius and the central angle, you can use the formula:

$$L = 2r \sin\left(\f\frac{\theta}{2}\right)$$

where:

  • $$L$$ is the length of the chord,
  • $$r$$ is the radius of the circle,
  • $$\theta$$ is the central angle in degrees.

Hint

Submitted3.3K
Correct2.2K
% Correct65%