A part of a line with two endpoints
Lines that meet or cross at a right angle.
Lines that meet and cross each other
Lines that stay the same distance apart and never meet.
An angle is formed when two rays or line segments meet at the same endpoint.
The point where two rays meet. The place where two sides of a polygon meet.
An angle that measures exactly 90 degrees.
An angle that measures less than 90 degrees.
An angle that measures more than 90 degrees, but less than 180 degrees.
An angle that measures exactly 180 degrees.
A quadrilateral with only one pair of parallel sides
A quadrilateral with only one pair of parallel sides and 2 right angles.
Both pairs of opposite sides are parallel and the same length.
A parallelogram with all sides the same length
A parallelogram with all sides the same length and 4 right angles.
A parallelogram with 4 right angles.
A triangle having 1 right angle.
A triangle having 3 acute angles
A triangle having 1 obtuse angle.
A triangle having 3 sides equal in length and 3 angles equal in measure
A triangle having 2 sides equal in length and 2 angles equal in measure
A triangle having no sides the same length and no angles the same measure
Having the same size and shape.
having the same shape
Sides that are in the same position in two congruent figures.
Angles that are in the same position in two congruent figures
A graph used to show location of points by using ordered pairs
the horizontal line on a graph-side to side
the vertical axis on a coordinate plane...top to bottom
The point of a coordinate grid where the horizontal and vertical axes meet, known as (0,0)
A pair of numbers that gives the location of a point on a coordinate grid