Question

definition of right angle 1
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Answer 1

Explanation:

an angle of 90°, as in a corner of a square, or formed by dividing a circle into quarters.

Answer 2

Answer:

In geometry and trigonometry, a right angle is an angle of exactly 90° (degrees), corresponding to a quarter turn. If a ray is placed so that its endpoint is on a line and the adjacent angles are equal, then they are right angles.