Most folks have no trouble doing a 3-4-5 triangle, however there are other interesting ones some even without right angles.
None of the sides in the obtuse triangle in the sketch are whole numbers, yet each forms a whole number when squared. So the squares on each side have whole number areas.
What is the area of the triangle itself?
Is it also a whole number?
None of the sides in the obtuse triangle in the sketch are whole numbers, yet each forms a whole number when squared. So the squares on each side have whole number areas.
What is the area of the triangle itself?
Is it also a whole number?
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