How do I solve this problem on a circular segment?

Question

Find the area of a circular segment, to the nearest tenth, if its central angle measures 60 and the radius of the circle is 10.6 units.

Answer 1

Draw and label a diagram!

1) determine the area of the sector; (It's 1/6 the are of the circle)

2) determine the area of the triangle: (It's equilateral!)

3) take 1) minus 2)

Answer 2

See Mark M's answer .