Foundation of Geometry

Front

What is a point in geometry?

Back

A point is a fixed position in space that has no dimensions or size.

Front

What does a line represent in geometry?

Back

A line is a straight one-dimensional figure that extends infinitely in both directions.

Front

What is a ray in geometry?

Back

A ray is a part of a line that has a fixed starting point and extends infinitely in one direction.

Front

Back

Front

What is a line segment?

Back

A line segment is a part of a line that has two endpoints.

Front

What is a plane in geometry?

Back

A plane is a flat two-dimensional surface that extends infinitely in all directions.

Front

What is the difference between a line and a line segment?

Back

A line extends infinitely in both directions, while a line segment has two endpoints.

Front

What does it mean for two angles to be complementary?

Back

Two angles are complementary if the sum of their measures is 90 degrees.

Front

What does it mean for two angles to be supplementary?

Back

Two angles are supplementary if the sum of their measures is 180 degrees.

Front

What is the definition of parallel lines?

Back

Parallel lines are lines in a plane that never meet and are always the same distance apart.