A Triangle given a side and 2 angles

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Presentation transcript:

A Triangle given a side and 2 angles A powerpoint presentation by Carmelo Ellul Head of Department (Mathematics)

A Triangle given a side and 2 angles Task: Construct a triangle PQR having PQ = 7 cm, RPQ = 29º and PQR = 57º Making a Rough Sketch: Draw a rough sketch of the triangle. Label its vertices. (Select the base as the given side) R Write the length of the given side. Label the given angles. 57º 29º Q P 7 cm

A Triangle given a side and 2 angles Construct line PQ = 7 cm long. R P Q 7 cm 57º 29º At P construct an angle of 29º. Label the angle. At R construct an angle of 57º and label the angle. Label the point of intersection R. R 29º 57º P 7 cm Q

A Triangle given a side and 2 angles Construct line PQ = 7 cm long. R P Q 7 cm 57º 29º At P construct an angle of 29º. Label the angle. At R construct an angle of 57º and label the angle. Label the point of intersection R. R RESTART END SHOW 29º 57º P 7 cm Q