Answer:
Step-by-step explanation:
make a right triangle to find the lenght of a side which is also the hypotenuse of the triangle
c² = a² + b²
c² = 7² + 5²
c² = 49 + 25
c² = = 74
Since the area of a square is s² and c = s
a = c²
a = 74 units²
