Parallel lines close parallel lines Lines which never meet and stay the same distance apart. Parallel lines are indicated by a pair of arrows. are two or more straight lines that remain the same ...

The battle lines are being drawn in the Greek drama, and in increasingly-strident tones that will make retreat very difficult. This is one negotiating strategy: burn the bridges behind the army. Here ...

Horizontal lines run left to right, parallel to the horizon, with slope 0 and equation y = k. Vertical lines run top to bottom, perpendicular to the horizon, with undefined slope and equation x = k.

Rules of thumb and experience help, but we prefer repeatable experiments. And if you see this and laugh, you're probably not as good as you think you are. Thankfully, the recipe for a one-move parking ...

Whether you are sketching graphs in mathematics, understanding directions in geography, or reading blueprints in design class, horizontal and vertical lines are concepts you cannot avoid. They form ...