Learn how to construct 30°, 60°, 90° and 120° degree angles in this video. The construction of angles is easy with only a compass, a pencil, and a straightedge.
HOW CAN WE DRAW ANGLE 120 DEGREE USING SET SQUARE - Maths - - 9858853
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Construct a 45 Degree Angle (solutions, examples, videos)
How To Construct 30°, 60°, 90° and 120° Degree Angles
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Is a 3-4-5 triangle also a 30-60-90 triangle? - Quora
30 Degree Angle - Construction With Compass and Protractor