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Myers - Geometry 1
parallel lines, angle and triangle classification, similarity vocab
Term | Definition |
---|---|
similar triangles | triangles in which each pair of corresponding angles are congruent and each pair of corresponding sides are proportional |
scale factor | ratio that describes the relationship between sides of similar figures |
vertical angles | non-adjacent angles formed by opposite rays. these angles are always congruent (their measures are always equal) |
linear pair | adjacent angles formed by the intersection of two lines. these angles are always supplementary (their measures always have a sum of 180 degrees) |
right triangles | triangles in which one angle measures 90 degrees |
acute triangles | triangles in which each angle measures less than 90 degrees |
equilateral triangles | triangles in which all sides have equal measures |
obtuse triangles | triangles in which one angle measures more than 90 degrees |
scalene triangles | triangles in which no sides have equal measures |
isosceles triangles | triangles in which two sides have equal measures |
congruent triangles | triangles in which each pair of corresponding angles are congruent and each pair of corresponding sides are congruent |