A triangle with equal angles and equal side lengths
Change in y-values divided by the change in x-values
Not matching in quantity or value
A polyhedron with two congruent and parallel faces
Two angles whose sum is a right angle
Ellipse in which the two axes are of equal length
Ratio of the opposite side to hypotenuse of a right triangle
Angle that is exactly 90 degrees
Ratio of the adjacent side to the hypotenuse of a right triangle
A line whose endpoints are found on the circumference of a circle
The supplement of an interior angle
Circumference portion of a circle
Drawn in a surface or shape
Unit of measurement of angles
Elevation above sea level or the Earth's surface
A 3-dimensional shape with circular bases on opposite sides of a rectangle
Intersecting a system of lines
A 3-dimensional shape with a polygon base and triangular sides
The space between two lines
Property created by the space between two objects or points
A straight line that intersects a curve at two or more points
An angle or triangle with less than 90 degrees
Being equidistant and not intersecting
A line that intersects with the radius of the circle at a 90 degree angle