ANSWER
100 square meters
EXPLANATION
We have that the origami paper is shaped as a perfect square.
Each side of the origami measures 10 meters.
To find the area of the paper, we have to use the formula for the area of a square:
[tex]\begin{gathered} A=l^2 \\ A=10^2 \\ A\text{ = 100 square meters} \end{gathered}[/tex]That is the area of her origami paper.