# Math Help - Get length of chord of a circle with radius 10cm as a function of central angle.

1. ## Get length of chord of a circle with radius 10cm as a function of central angle.

Express the length L of chord of a circle with radius 10cm as a function of the central angle, as shown in the figure below:

2. Originally Posted by swtdelicaterose
Express the length L of chord of a circle with radius 10cm as a function of the central angle, as shown in the figure below:
Hint: look at this as a triangle problem.