Answer: We are given a circle, and we need to find the length of its radius:
The general equation of a circle is:
[tex]x^2+y^2=r^2[/tex]
From this, we can conclude that the radius of the circle is:
[tex]\begin{gathered} r^2=100 \\ \therefore\rightarrow \\ r=\sqrt[]{100}=10 \end{gathered}[/tex]
