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Chapter 8 Quiz(Math)


Two parallel lines with a line crossing through both of them. What is the line called? A transversal line
Straight angle- A 180 degree angle
Right angle- An angle that is exactly 90 degrees
Supplementary angles- Two angles added together that equals 180 degrees
Complementary angles- Two angles added together that equal 90 degrees
Vertical angles- Two lines crossing that form two pairs of opposite, equal angles
Perpendicular lines- Two lines intersecting that form four right angles.
Parallel lines- Two lines on the same plane that never intersect.
Acute angles- An angle below 90 degrees and above 0 degrees
Rectangle- A quadrilateral with two sets of parallel lines and form four right angles.
Obtuse angle- An angle that is above 90 degrees and below 180 degrees.
Acute triangle- A triangle with three angles that are less than 90 degrees.
Right triangle- A triangle that forms one a 90 degree angle
Equilateral triangle- All sides are the same
Isosceles triangle- 2 sides are the same
Scalene triangle- NO sides are the same
Quadrilateral- A 4-sided closed figure
Trapezoid- A quadrilateral that has 1 pair of parallel lines.
Parallelogram- A 4-sided figure with 2 sets of parallel lines.
Rhombus- A 4-sided closed figure with 2 sets of parallel lines and 4 congruent angles.
Polygon- A closed figure made up of line segments.
Regular polygon- A closed figure made up of line segments with all equal sides and angles.
Pentagon- A 5-sided closed figure
Hexagon- A 6-sided closed figure
Heptagon- A 7-sided closed figure
Octagon- An 8-sided closed figure