21.0 Parts of a circle Students prove and solve problems regarding relationships among chords, secants, tangents, inscribed angles, and inscribed and circumscribed polygons of circles. Students know the effect of rigid motions on figures in the coordinate plane and space, including rotations, translations, and reflections. Students construct and judge the validity of a logical argument and give counterexamples to disprove a statement. 4.0 Basic theorums Students prove basic theorems involving congruence and similarity. Triangles Students prove that triangles are congruent or similar, and they are able to use the concept of corresponding parts of congruent triangles.
Students know and are able to use the triangle inequality theorem.
7.0 Circles, quadrilaterals and parallel lines Students prove and use theorems involving the properties of parallel lines cut by a transversal, the properties of quadrilaterals, and the properties of circles. 8.0 Common objects Students know, derive, and solve problems involving the perimeter, circumference, area, volume, lateral area, and surface area of common geometric figures. Copyright 1996-2000 Xerox Corporation. All Rights Reserved.