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Coordinate Algebra Support Name: ________________________________ Date: ____________________ Unit 6: Connecting Algebra and Geometry Through Coordinates Vocabulary Term Right Triangle Definition a triangle with one right angle Hypotenuse the side of the right triangle that is opposite the right angle; always the longest side Leg the sides that meet and form the right angle Pythagorean Theorem a2 + b2 = c2 where a and b are the legs of a right triangle and c is the hypotenuse Used to find the length of a side of a right triangle (x, y) x is the distance on the horizontal axis y is the distance on the vertical axis Coordinates Order of Operations PEMDAS Distance Formula d= Used to find the distance between two points (coordinates) Example Coordinate Algebra Support Name: ________________________________ Date: ____________________ Unit 6: Connecting Algebra and Geometry Through Coordinates Midpoint Formula Equilateral Triangle all sides are congruent Isosceles Triangle Two sides are congruent Scalene Triangle No sides congruent Square Parallelogram where all sides congruent and 4 right triangles Rectangle Parallelogram where 2 pairs of opposite sides congruent; 4 right angles Parallelogram Quadrilaterals where two pairs of opposite sides congruent; opposite angle congruent; Consecutive angles are supplementary Parallelogram where all sides are congruent Rhombus Coordinate Algebra Support Name: ________________________________ Date: ____________________ Unit 6: Connecting Algebra and Geometry Through Coordinates