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### 18 Cards in this Set

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 Thm 7-1 area of a rectangle is the base times the height of the rectangle. Thm 7-2 area of a parallelogram is base times the height of the paralellogram. base of a parallelogram any of the sides corresponding altitudes of a parallelogram the segment perpendicular to the line containing the base drawn from the side opposite the base height of a parallelogram length of the altitude Thm 7-3 Area of a triangle is half the base times the height of the trianlge. Base of a triangle any of its sides corresponding height of a triangle the length of the altitude to the line containing the base Pythagorean Thm in a right triangle, the sum of the squares of the legs are equal to the square of the hypotenuse. Converse Pythagorean Thm if the sum of the squares of the legs of a triangle equal the length of the square of the longest side, then it is a right triangle. Thm 7-6 if c² > a² + b², then m 90 degrees and triangle ABC is obtuse Thm 7-7 if c² < a² + b², then m