Answer:
this is easy. so take the equation used for finding the area (A = LW). you then place the sizes in the proper places (making 7.35 = 2.1L). now all you have to do is divide 7.35 (area) by 2.1 (width) to get your length (3.5).
Step-by-step explanation:
7.35 = 2.1L
7.35/2.1 = 3.5
L = 3.5
