Polygons
A shape with three sides
What is a triangle?
What is a polygon?
An angle with a measure of degrees
What is a right angle?
A set of points described as being "straight" and extending indefinitely in both directions
What is a line?
There are this many types of regular polyhedral
What is five?
What is an octagon?
A polygon that has four sides, angles, and vertices
What is a quadrilateral?
An angle with a measure more than 90 degrees and less than 180 degrees
What is an obtuse angle?
This consists of two points on a line and all the points between them
What is a line segment?
The base of a pyramid can be any polygon, but its sides are always
What is triangular?
A shape with four equal sides and four right angles
What is a square?
This is formed by the union of two rays, with a common endpoint or by two line segments that have a common endpoint
What is an angle?
An angle with a measure less than 90 degrees
What is an acute angle?
Two lines that intersect to form right angles
What are perpendicular lines?
A prisms' bases are
What is parallel?
A four sided shape with one set of parallel lines
What is a trapezoid?
This is flat and extends indefinitely
What is a plane?
Angles that have a sum of 90 degrees
What is complementary angles?
Two lines in the same plane that are equal distance from each other and never meet
This has a circular region for a base and a lateral surface that slopes to the vertex
What is a cone?
A polygon that has sides that are the same length and angles that are the same degree
What is a regular polygon?
A three-dimensional shape with flat polygonal faces, straight edges, and sharp corners or vertices
What is a polyhedron?
Angles that have a sum of 180 degrees
What are supplementary angles?
This consists of a point on a line and all the points in one of the half-lines determined by the point
What is a ray?
This has a set of points in space that are the same distance from the center
What is a sphere?