The student will identify and describe congruent and noncongruent figures.
Measurement and Geometry
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draw a line of symmetry in a figure; and
identify and create figures with at least one line of symmetry.
Congruent sides are denoted with the same number of hatch (or hash) marks on each congruent side.
Students need experiences using geometric markings in figures to indicate congruence of sides and angles and to indicate parallel sides.
An equilateral triangle has three congruent sides. All angles of an equilateral triangle are congruent and measure 60 degrees.