Math.U.See GeometryMath. U. See Geometry Points, lines, planes, angles, circles, triangles, quadrilaterals, Pythagorean Theorem, conic sections, proofs and more. Major Concepts and Skills Include: Describing points, lines, rays, line segments, angles, and planes Calculating the measure of the interior and exterior angles of a regular polygon Understanding the geometry of a circle, sphere, and ellipse Understanding and computing volume and surface area of solids Using