Find the Area If the Distance Between Two Adjacent Dots $\frac { 4 } { 1 }$

Multiple Choice

Find the area if the distance between two adjacent dots in a row or column is one unit.
-What is the ratio of the area of rectangle B to the area of rectangle A.

A) $\frac { 4 } { 1 }$
B) $\frac { 12 } { 1 }$
C) $\frac { 2 } { 1 }$
D) $\frac { 24 } { 1 }$