Length of the arc of the circle is .
Area of the sector is ,
Where is radius of the circle and
is central angle measured in radians.
Find the arc length.
\Radius of the circle is feet and central angle
radian.
Consider .
Substitute and
in
.
Length of the arc is
Find the area of the sector.
\Consider .
Substitute corresponding values in above formula.
\Thus, area of the sector is .
Length of the arc is .
Area of the sector is .