Semester Rev. #1 - Lines, Rays, & Planes

Front

What are coplanar points?

Back

Coplanar points are points that lie on the same plane.

Front

Are points D, E, F, and G coplanar?

Back

Yes, points D, E, F, and G are coplanar.

Front

What is the geometric notation for a line segment between points S and R?

Back

Front

What is the geometric notation for a ray starting at point S and passing through point R?

Back

The geometric notation for the ray is @@ ightarrow SR @@.

Front

Are points D, E, G, and H coplanar?

Back

No, points D, E, G, and H are not coplanar.

Front

If UW = 6x - 35, what is the value of UW when x = 17?

Back

When x = 17, UW = 67.

Front

What are opposite rays?

Back

Opposite rays are two rays that share the same endpoint and extend in opposite directions.

Front

Name the opposite rays for points F and E.

Back

Front

What is the definition of a line?

Back

A line is a straight one-dimensional figure that has no thickness and extends infinitely in both directions.

Front

What is the definition of a ray?

Back

A ray is a part of a line that starts at a point and extends infinitely in one direction.