Full-year course. A challenging survey of introductory geometry, from points, lines, and planes, through triangles, perimeter and area, quadrilaterals, polygons, circles, three-dimensional geometry, curved surfaces, transformations, and analytical geometry, to an introduction to trigonometry. Highlights include Heron’s Formula, the nine-point circle of the triangle, sketching geometric problems, and problem-solving strategies for geometry. Read about the Well-Trained Mind Academy approach to Art of Problem Solving here.
Prerequisites: Recommended to be taken after completing AoPS Algebra I and II; Art of Problem Solving Introduction to Geometry Pretest