West Virginia College and Career Readiness Standards
WV.M.1HS8. 8th Grade High School Mathematics I
Congruence, Proof, and Constructions
Experiment with transformations in the plane.
M.1HS8.49. Know precise definitions of angle, circle, perpendicular line, parallel line and line segment, based on the undefined notions of point, line, distance along a line, and distance around a circular arc.