sketch problem

This probably belongs in a different discussion board. In any case, a student is having trouble dimensioning a circle in a sketch. It is tagged in this document. https://cad.onshape.com/documents/1c8e9414d3e480682fcfdcf1/w/12fa81bb21733025a2530045/e/da809c47ff6825349b3c103c The circle in question is in the last sketch in…