Working together to improve teaching & learning Leagan Gaeilge
›› Geogebra ›› Investigating theorem 8
Drag the green vertex of the triangle to change its shape. Do you notice any relationship between the lengths of the triangle's sides? Would it be possible to make a triangle from lengths of 12 cm, 6 cm and 5 cm? Try it out.

Copyright: Project Maths Development Team 2014