Since Trey wants to swim across the circular pond, we have to find the measure of the diameter of the circular pond.
We know that the pond has a circumference of 628 m. The formula for the circumference of a circle is:
![C=\pi\cdot d](https://img.qammunity.org/2023/formulas/physics/college/fnkcgmpl8do9k75kg3z6ggpx2rtj3fi4c3.png)
where d represents the diameter and pi equals 3.14. In this case, we know that C = 628, then, solving for d, we get:
![\begin{gathered} 628=3.14\cdot d \\ \Rightarrow d=(628)/(3.14)=200 \\ d=200 \end{gathered}](https://img.qammunity.org/2023/formulas/mathematics/college/gcjlxsx70fr4xlqvtza3040owgh8z53vox.png)
therefore, Trey will swim 200 m