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constructions A Triangle given the 3 sides A powerpoint presentation by Carmelo Ellul Head of Department (Mathematics)

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Presentation on theme: "constructions A Triangle given the 3 sides A powerpoint presentation by Carmelo Ellul Head of Department (Mathematics)"— Presentation transcript:

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2 constructions A Triangle given the 3 sides A powerpoint presentation by Carmelo Ellul Head of Department (Mathematics)

3 constructions Construct a triangle ABC having AB = 5 cm, BC = 7 cm and AC = 3.5 cm. Task:  Draw a rough sketch of the triangle. Making a Rough Sketch: A B C  Label its vertices.  Write the length of each side. 7 cm 5 cm 3.5 cm A Triangle given the 3 sides

4 constructions  Construct line BC = 7 cm long.  Centre B draw an arc radius 5 cm. BC  Centre C draw an arc radius 3.5 cm.  Label the point of intersection of the two arcs A. A C B 7 cm 5 cm 3.5 cm A  Join AB, AC.  Write down the lengths. 7 cm 5 cm 3.5 cm A Triangle given the 3 sides

5 constructions  Construct line BC = 7 cm long.  Centre B draw an arc radius 5 cm. BC  Centre C draw an arc radius 3.5 cm.  Label the point of intersection of the two arcs A. A C B 7 cm 5 cm 3.5 cm A  Join AB, AC.  Write down the lengths. 7 cm 5 cm 3.5 cm A Triangle given the 3 sides RESTART END SHOW


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