Stage: 4 Challenge Level: 
If the altitude of an isosceles triangle is 8 units and the perimeter of the triangle is 32 units....
What is the area of the triangle?
What other heights and perimeters less than or equal to 100 will give you a whole number area?
Stage 5 - Reviewed 2012. Other equations. Stage 5 needs dealing with. epsilons. Pythagorean triples. Circles. Diophantine equations. Long problems. Isosceles triangles. Pythagoras' theorem.
Published June 2002.
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