CPM Homework Banner

In a circle, chord has length units, while . What is the area of the circle? Draw a diagram and show all work.  Homework Help ✎

The measure of the intercepted arc is equal to the central angle.

, because both are radii, so is isosceles.

Isosceles triangles have equal base angles, so .

but ,


Because the angles are all equal, the triangle is equilateral.

So the radius () is .