Width of a kidney shaped swimming pool were measured at meter width.
Use midpoint rule to find area of the pool.
\There are sections and each consists of
meter width, which means that end of the interval is 16 m.
Mid point Rule :
\Where and
.
Consider the number of subintervals .
Here and
.
Width of the interval :.
Area of the pool is
\Area of the pool is .
Area of the pool is .