\"\"

\

The volume of a pyramid is \"\".

\

\"\"

\

From the given data, base of the pyramid is a rectangle.

\

Area of the rectangle is \"\". So, \"\".

\

\"\"                (Substitute 9 for l and 7 for w)

\

\"\"                  (Multiply: \"\")

\

\"\".

\

\"\"

\

\"\"    (Substitute 63 for B and 18 for h)

\

\"\"      (Multiply: \"\")

\

\"\"               (Multiply: \"\")\"\"

\

The volume of the pyramid is \"\". \ \