A Triangle given a 2 sides and included angle

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A Triangle given 2 sides and an angle
A powerpoint presentation by Carmelo Ellul Head
of Department (Mathematics)
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A Triangle given 2 sides and an angle
Construct a triangle FGH having FG 7.3 cm,
?FGH 38º and GH 4.5 cm
Task
Making a Rough Sketch

• Draw a rough sketch of the triangle.

• Label its vertices.
• (Select one of the given sides as a base)

H

• Write the length of the given sides.

• Label the given angle.

4.5 cm
38º
G
F
7.3 cm
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A Triangle given 2 sides and an angle

• Construct line FG 7.3 cm long.

• At G construct and label an angle of 38º.

• Centre G draw an arc radius 4.5 cm.

• Label the point of intersection H.

• Write the length of side GH.

• Join FH.

H
4.5 cm
38º
F
G
7.3 cm
4
A Triangle given 2 sides and an angle

• Construct line FG 7.3 cm long.

• At G construct and label an angle of 38º.

• Centre G draw an arc radius 4.5 cm.

• Label the point of intersection H.

• Write the length of side GH.

• Join FH.

RESTART
H
4.5 cm
END SHOW
38º
F
G
7.3 cm