What is the area of the sector cut out by two rays in a disc with a given area?

[r0bHadz]

Homework Statement

Let Rpq be a ray:

.-------.---------------->
p q

draw a second ray Rpm s.t the angle <QPM has 60 degrees

Let D be a disc centered at P and assume its area is 60 in^2. find the area of the sector in the disc cut out by the two rays

Homework Equations

The Attempt at a Solution

I got 10 in^2 my book is telling me 1 in^2.

 

[DaveC426913]

Book seems wrong. A 60 degree wedge should have 1/6 the area of the circle.