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Your search returned 2 results.
Subject Area: Mathematics (NYS P-12 Common Core)
Grades: Intermediate, 8th Grade
Use informal arguments to establish facts about the angle sum and exterior angle of triangles, about the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of
triangles. For example, arrange three copies of the same triangle so that
the sum of the three angles appears to form a line, and give an argument
in terms of transversals why this is so.
Subject Area: Mathematics (NYS P-12 Common Core)
Grades: Commencement, 9th Grade, 10th Grade, 11th Grade, 12th Grade
Prove theorems about lines and angles. Theorems include: vertical angles are congruent; when a transversal crosses parallel lines, alternate interior angles are congruent and orresponding angles are congruent;
points on a perpendicular bisector of a line segment are exactly those
equidistant from the segment's endpoints.
Your search returned 2 results.
