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right angle
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90° angle (π/2 radians): an angle that bisects the angle formed by two halves of a straight line
A right angle is a 90-degree angle formed when two lines meet at a perfect quarter-turn, dividing a straight line into two equal parts. Right angles matter because they're fundamental to construction, design, and mathematics—they appear everywhere from building corners to coordinate systems and help us measure and organize space precisely.
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A right angle is equal to 90 degrees. A line segment (AB) drawn so that it forms right angles with a line (CD)
In geometry and trigonometry, a right angle is an angle of exactly 90 degrees or
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