Slide 1 of 5, Ruler, pencil, protractor, paper, What you need: ruler, protractor, pencil and paper. Use these to construct a triangle when you know the length of 1 side and the 2 angles at each end of it.<br>In this case use the length 8 cm, and the two angles 40° and 50°.
Slide 1 of 4, ruler, protractor, compass, pencil and paper., What you need: ruler, protractor, compass, pencil and paper. Use these to construct a triangle when you know the length of 2 sides and 1 angle<br>In this case use 2 side lengths of 7 cm and 8 cm and the angle 40°.
Slide 1 of 5, , What you need: Ruler, pencil, compass, paper Use these to construct a triangle when you know the length of all 3 sides.<br>In this case use the lengths 8 cm, 4 cm and 5 cm.