Tools of Geometry

Front

What is an undefined term that represents a flat 2D surface extending infinitely in all directions and must contain at least 3 points?

Back

Plane

Front

What do we call points that are together on the same line?

Back

Collinear

Front

What is formed by 2 rays (sides) that share 1 common endpoint called the vertex?

Back

Angle

Front

What is the term for a point exactly in the middle of a segment that divides it into two congruent segments?

Back

Midpoint

Front

Which angles are formed by two intersecting lines and are opposite each other?

Back

Vertical angles

Front

What is the term for a part of a line that has two endpoints?

Back

Line Segment

Front

What do we call a set of points that lie on the same plane?

Back

Coplanar

Front

What is the term for a straight path that extends infinitely in both directions?

Back

Line

Front

What is the term for the distance from the center of a circle to any point on its circumference?

Back

Radius

Front

What do we call the longest side of a right triangle, opposite the right angle?

Back

Hypotenuse