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Vocabulary

Ch. 9 vocabulary  

AA~ (triangle similarity)

acute angle

adjacent angle

alternate interior angles

complementary angles

pythagorean theorem

hypotenuse

legs (of a right triangle)

obtuse angle

parallel

exterior angle (of a triangle)

radical sign

remote interior angles

right angle

square (of a number)

corresponding angles

supplementary angles

straight angles

transversal

vertex

perfect square

square root

vertical angles