Learn how to identify different types of lines, including vertical, horizontal, parallel and perpendicular. Parallel and perpendicular lines Discover the difference between parallel and ...

A line which cuts an angle into two equal side angles is called an angle bisector. In geometry a construction is an accurate drawing. There are two main constructions which can be done using a ...

The crow stared at the screen, as it had many times before. Six shapes appeared. Five were neat, balanced, regular; one was ...

Crows in a lab were able to distinguish shapes that exhibited right angles, parallel lines, and symmetry, suggesting that ...

Crows are objectively awesome-leaving gifts for humans who prove themselves worthy, exploring interspecies friendships and ...