



 
Wiliam, It takes three sides to form a triangle so one at a time you can select a side to eliminate and try to make a triangle from the remaining three sides. Thus there are four possible triangles. List the four possible choices of three sides. Can you form a triangle from each one? Remember that the sum of the lengths of any two sides of a triangle must be larger than the length of the third side. Penny  


Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. 