Answer:
Step-by-step explanation:
27π= 120°/360°* πr^2
81=r^2
r=9
Area of circle=πr^2
Area of circle=254.34 or 81π
It is asking for the tangent ratio at B.
In my answer; angle=theta
tan(theta)=opposite/adjacent
tan(theta)= 3/2
2hours
2 hours
