Congruence and similarity

  • congruent figures and similar figures


  • properties of similar triangles and polygons:

- corresponding angles are equal

- corresponding sides are proportional


  • enlargement and reduction of a plane figure


  • scale drawings


  • properties and construction of perpendicular bisectors of line segments and angle bisectors


  • determining whether two triangles are

- congruent

- similar


  • ratio of areas of similar plane figures


  • ratio of volumes of similar solids


  • solving simple problems involving similarity and congruence