Two angles with a sum of 90 degrees
What are complementary angles?
Triangle with only one 90 degree angle
What is a right triangle?
A quadrilateral with exactly one pair of parallel sides
What is a trapezoid?
A segment from the center of a circle to any point of the circle
What is a radius?
Arc with a measure 180 degrees and named with 3 points
What is a Semi circle?
Two angles with the sum of 180 degrees.
What are supplementary angles?
Triangle with 3 acute angles
What is an acute triangle?
A quadrilateral with 2 pairs of distinct congruent consecutive sides
What is a kite?
A chord that contains the center of a circle
What is a diameter?
Arc with measure less than 180 degrees named with two points
What is a minor Arc?
Angles opposite each other when two lines intersect
What are vertical angles?
Triangle with exactly one obtuse angle
What is an obtuse triangle?
A quadrilateral with both pairs of opposite sides parallel
What is a parallelogram?
A segment with both endpoints on a circle
What is a chord?
Arc with a measure greater than 180 degrees up to 360 degrees
What is a major arc?
An angle whos measure is more than 90 degrees but less than 180 degrees
What is an obtuse angle?
A triangle with all sides of different lengths.
What is a scalene triangle?
A quadrilateral with all sides congruent (equilateral)
What is a rhombus?
A line that intersects a circle in exactly one point
What is a tangent?
An angle whose vertex is the center of the circle
What is a central angle?
Adjacent angles that are supplementary. Common vertex and a common side
What are linear pair of angles?
Triangle with all sides congruent and all angles congruent
What is a equilateral triangle?
A quadrilateral with all angles congruent and 90 degrees. (equiangular)
What is a rectangle?
A line that intersects a circle in two points
What is a secant?
An angle whos vertex is on the circle.
What is a Inscribed angle?