Vocabulary
parallelogram, quadrilateral, trapezoid, scalene triangle, right triangle, isosceles triangle, obtuse triangle, acute triangle, equilateral triangle, obtuse angle, right angle, acute angle, , Obtuse, Right, Acute, Scalene, Isosceles, Equilateral, Angle, Line, Parallel, Perpendicular, Quadrilateral, Parallelogram, Rhombus, Square, Rectangle, Congruent, acute angle, right angle, obtuse angle, parallel lines, perpendicular lines, equilateral triangle, scalene triangle, isosceles triangle, parallelogram, rectangle, square, trapezoid, intersect, rhombus, congruent, quadrilateral, rectangle, square, triangle, rhombus, parallelogram, angle, trapezoid, trapezium, equilateral, side, quadrilateral, square, vertices, sides, angles, equal, parallel, rectangle, right angle, rhombus, 90 degrees, parallelogram, trapezoid, irregular quadrilaterals, ray, line segment, line, angle, parallel, perpendicular, obtuse, 90 degrees, acute, coordinates, triangle, vertex, point, line, line segment, ray, angle parallel lines, intersect, acute angle, obtuse angle, right angle, geometry, plane surface, vertex, endpoint, perpendicular, lines, parallel lines, angles, point, line segment, vertex, point, coordinates, x-axis, y-axis, obtuse, acute, right angle, endpoint