Answer: [tex]A = 100[/tex] square unit
Step-by-step explanation:
The formula for calculating the area of a square when the diagonal is given is :
[tex]Area = d^{2} / 2[/tex]
That is :
[tex]A = \frac{(10\sqrt{2})^{2}}{2}[/tex]
[tex]A = \frac{100(2)}{2}[/tex]
[tex]A = 100[/tex] square unit
