This site provides a general definition, complete with a diagram, of an angle bisector.

At this website you can look up symbols in a searchable index. For each symbol there is a brief explanation of its significance and links to other related symbols.

At this website you can look up symbols in a searchable index. For each symbol there is a brief explanation of its significance and links to other related symbols.

Labeled diagram of a dog.

Labeled diagram of two kinds of volcanoes: effusive and explosive.

Labeled diagram of a several common rodents.

Illustration of the head of a poisonous snake, with callouts for its fangs, venom gland, and other parts.

Illustration of a jet.

Labeled diagram of the morphology of a horse.

Labeled diagram of a starfish.

Labeled diagram of the equipment worn by a motocross motorcycle racer.

Composite illustration of select writing implements.

Labeled diagram of the Earth's hemispheres.

Labeled diagram of a volcano during an eruption.

Labeled diagram of the principal formations associated with glaciers.

Labeled diagram of common desert formations and features.

Labeled diagram of zones of vegetation.

Labeled diagram of common pome fruits.

Labeled diagram of common flowers in bloom.

Labeled diagram of a pommel horse.

Labeled diagram of a section of the Earth's crust.

Labeled map showing locations of world's tectonic plates.

Labeled diagram illustrating key terms associated with earthquakes.

Labeled diagram of a mountain and related featues.