Angles
What is acute?
A two-dimensional shape made of straight lines
What is a polygon?
A part of line with two endpoints
What is a line segment?
Two angles that sum to 90 degrees
What are complementary angles?
A 4-sided polygon
What is a quadrilateral?
Two lines that will never intersect
What is parallel?
The common endpoint formed by two rays
What is vertex?
A set of points in a plane that are all a fixed distance from a center point
What is a circle?
Two lines that will intersect at a 90 degree angle
What is perpendicular?