draw a base and use this to draw an equilateral triangle
each angle of an equilateral triangle adds up to 60 degrees. To have an angle of 120 degree use this angle and then draw another side of a triangle next to it to get a 120 degree angle.
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use a protractor and a ruler
Construct an equilateral triangle which will have 3 equal interior angles of 60 degrees and 3 equal exterior angles of 120 degrees
An obtuse angle
A 120-degree angle is an obtuse angle, meaning it is greater than 90 degrees but less than 180 degrees. It is formed when two lines intersect and the angle between them measures 120 degrees. In a triangle, a 120-degree angle would typically be found at one of the vertices.
Yes but it can have 2 right angles and one 120 degree angle plus one 60 degree angle