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Math Chapter 6

Chapter 6 vocab

What is an acute angle? An angle with a measure greater than 0* and less then 90*
What is an acute triangle? A triangle having three acute angles
What is an adjacent angle? Angles that have the same vertex, share a common side, and do not overlap
What is a complementary angle? Two angles are_________________ if the sum of their measures of 90*
What is a congruent polygons? Polygons that have the same size and shape
What is an equilateral triangle? A triangle that has three congruent sides
What is an isosceles triangle? A triangle that has at least two congruent sids
What is an obtuse triangle? A triangle having one obtuse angle
What is an obtuse angle? A angle that measures greater than 90* but less then 180*
What are parallel lines? Lines in the same plane that never intersect or cross. The symbol || means ______________
What is a parallelogram? A quadrilateral with both pairs of opposite sides parallel and congruent
What are perpendicular lines? Two lines that intersect to form right angles
What is a quadrilateral? A polygon that has four sides and four angles
What is a rectangle? A parallelogram with four right angles
What is a rhombus? A parallelogram with four congruent sides
What are right angles? An angle that measures 90*
What is a right triangle? A triangle having one right angle
What is a scalene triangle? A triangle with no congruent sides
What is a square? A parallelogram with four congruent sides and four right angles
What is a straight angle? An angle that measures 180*
What are supplementary angles? Two angles are __________________ if the sum of their measures is 180*
What are transverals? A line that intersects two or more other lines to form eight angles
What is a trapezoid? A quardrilateral with exactly one pair of parallel opposite sides
What is a triangle? A figure formed by three lines segments that intersect only at their endpoints
What is a vertical angle? Opposite angles formed by the intersection of two lines. ___________ angles are congruent.
Created by: cheercatjules