Parallel lines are straight lines which have the same direction and so never meet. Arrowheads show lines are parallel. A straight line that cuts a pair of parallel lines is called an intersecting ...

Discover the different types of angles and how to make sure you get the biggest slice of pizza. Horizontal and vertical lines Learn how to identify different types of lines, including vertical ...

Fantastic new math-based buildings popped up around Sara Harp Minter Elementary when students designed Geometry City.