Worksheet 3
1. Construct a triangle ABC in which BC = 4 cm, B = 50° and C = 70°
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Draw a line segment BC = 4 cm.
From point B draw a line at an angle of 50°.
From point C draw a line at an angle of 70°.
The point where the lines from B and C intersect is the point A.
Since B + C = 120°
Sum of angles of a triangle = 180°
Angle A = 60°
Finally measure the lengths of AB and AC.
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