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A Triangle given a side and 2 angles
A powerpoint presentation by Carmelo Ellul Head
of Department (Mathematics)
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A Triangle given a side and 2 angles
Construct a triangle PQR having PQ 7 cm, ?RPQ
29º and ?PQR 57º
Task
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
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A Triangle given a side and 2 angles

• Construct line PQ 7 cm long.

• 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
57º
29º
P
Q
7 cm
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A Triangle given a side and 2 angles

• Construct line PQ 7 cm long.

• 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
57º
29º
P
Q
7 cm