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
.