Symbols

thumbIn Unicode, the symbol for a right angle is . It should not be confused with the similarly shaped symbol . Related symbols are , , and .

In diagrams, the fact that an angle is a right angle is usually expressed by adding a small right angle that forms a square with the angle in the diagram, as seen in the diagram of a right triangle (in British English, a right-angled triangle) to the right. The symbol for a measured angle, an arc,

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