Solve
-Find the Area of the Rectangle $42 \sqrt { 7 } \mathrm { sq } . \mathrm { ft }$

Multiple Choice

Solve.
-Find the area of the rectangle.

A) $42 \sqrt { 7 } \mathrm { sq } . \mathrm { ft }$
B) $294 \mathrm { sq } . \mathrm { ft }$
C) $6 \sqrt { 7 } \mathrm { sq } . \mathrm { ft }$
D) $42 \mathrm { sq } . \mathrm { ft }$