constructions

A Triangle given a side and 2 A Triangle given a side and 2 anglesangles

A powerpoint presentation by

Carmelo Ellul Head of Department (Mathematics)

constructions

Construct a triangle PQR havingPQ = 7 cm, RPQ = 29º and PQR = 57º

Task:Task:

Draw a rough sketch of the triangle.Making a Rough Sketch:Making a Rough Sketch:

R

P Q

A Triangle given a side and 2 A Triangle given a side and 2 anglesangles

Label its vertices.(Select the base as the given side)

Write the length of the given side.

7 cm7 cm

57º57º

Label the given angles.29º29º

constructions

Construct line PQ = 7 cm long. At P construct an angle of 29º.

P Q

At R construct an angle of 57º and label the angle. Label the point of intersection R.

R

7 cm7 cm57º57º

A Triangle given a side and 2 A Triangle given a side and 2 anglesangles R

P Q7 cm7 cm

57º57º29º29º Label the angle.

29º29º

constructions

Construct line PQ = 7 cm long. At P construct an angle of 29º.

P Q

At R construct an angle of 57º and label the angle. Label the point of intersection R.

R

7 cm7 cm57º57º

A Triangle given a side and 2 A Triangle given a side and 2 anglesangles R

P Q7 cm7 cm

57º57º29º29º Label the angle.

29º29º

RESTART

END SHOW