RIGHT ANGLE


Meaning of RIGHT ANGLE in English

noun Date: 15th century the angle bounded by two lines perpendicular to each other ; an angle of 90° or 1/2 π radians, right-angled or right-angle adjective

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.