How to draw a 90 degree angle (right angle) at a point on a line

Learn how to draw a 90 degree angle at a point on a line using a compass and ruler. Put your compass point on the point where you want to make the angle, and

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How to Calculate the Sides and Angles of Triangles Using Pythagoras' Theorem, Sine and Cosine Rule - Owlcation

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Constructing 90 Degrees Angle - Construction of 90 degrees using a compass, protractor and some solved examples.