Verified Answer :

Data:

Area = 120 m²
Wide = 12 m
Lengh = ?

Formula: (Square area)

A (Area) = wide (W) lengh (L)

Solving:

A = W
L
120 = 12 * L
12L = 120
\(L = \frac{120}{12}\)
\(\boxed{\boxed{L = 10\:m}}\end{array}}\qquad\quad\checkmark\)

Answer:
The lengh is 10 meters