The document contains notes from a geometry class covering congruent triangles using CPCTC and properties of circles. The lesson agenda included sample problems on congruent triangles, lesson 3.3 on CPCTC and circles, and assigning homework. Key points from the lesson were that CPCTC states corresponding parts of congruent triangles are congruent, circles are defined by their center point, all radii of a circle are congruent, and formulas for area and circumference of a circle. Students were assigned exit slip and homework problems to practice these concepts.