A segment inside the circle which has end points on the sides of the circle.
a polygon with six sides
Total measure the angles in every triangle.
A quadrilateral, parallelogram with 4 congruent sides
A triangle with NO sides congruent
A quadrilateral, parallelogram with 4 congruent sides and 4 right angles
Angles whose sum is 180
An angle that measures exactly 180
An angle that measures between 90-180
A polygon with 9 sides
A series of points that extends indefinitely in both directions
An angle that measures exactly 90
A triangle with1 right angle
A polygon with ALL sides congruent and ALL angles congruent
Part of a line that extends indefinitely in ONE direction with ONE end point
Lines that NEVER intersect
A quadrilateral, parallelogram with 4 right angles
A triangle with 3 congruent sides
A polygon with 3 sides
Lines that are NOT in the same plane, that are NOT parallel, and do NOT intersect
A segment that connects the center of the circle to any point on the edge of the circle
A quadrilateral with exactly ONE pair of parallel sides.
A chord that crosses through the center of the circle
Angles whose sum is 90
A polygon with 10 sides
Sides that are equal
Angles with equal measures
An angle that measures between 0-90
A quadrilateral with 2 pairs of parallel lines
A polygon with 8 sides
An arc that is exactly half of the circumference; use the diameter as a side
has 3 Acute angles
Part of a line with 2 endpoints
Angles that are across from each other; they share a vertex only
A series of points equidistant from a given point, the center; NOT A POLYGON
A polygon with 7 sides
A triangle with 1 obtuse angle
A polygon with 5 sides
The intersection of two segments or rays
A flat surface that extends indefinitely in all directions
Indicates a location
Any Polygon with 4 sides
Angles that are next to each other; share a side and vertex
lines or segments that have one point in common; they cross over each other
Formed by the intersection of two rays or segments
When all sides and angles are NOT congruent
Outside portion of a circle between two points
A triangle with 2 congruent sides
An angle inside the circle that has the center of the circle as a vertex of the angle
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