Question | Answer |
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. |