Construction of Triangles(SAS)- Activity 3a

Materials/ Resources needed
Construction of triangle with 2 sides and an angle SSA - conceptual error .ggb

Process (How to do the activity)
‘Play’ the construction protocol navigator to understand the construction, after students have constructed on their own (Hint – if a set of specifications can allow us to draw more than one triangle, then it is not a unique specification).
 * 1) Draw	 a triangle with following measures  - AB =  8 cms, ∡CAB = 40, BC	= 6 cms (BC as the base)
 * 1) What kind of triangle is it?
 * 2) What kind of triangle is it - by sides?
 * 3) What kind of triangle is it - by angles?
 * 4) The circle drawn from point B, intersect RAY AC in a second point ‘E’.Will Triangle ABE fulfil the requirements of the construction? What can you infer from this construction specifications.

The specification in this example is ASS (Angle -side – side) and not SAS (Side – angle - side)