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Find the smallest integer solution to the equation 1/x^2 + 1/y^2 = 1/z^2

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Are You Kidding

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?

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Pythagorean Triples I

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Generating Triples

Stage: 4 Challenge Level: Challenge Level:1
Here is an extract from Charlie's table:

Where is the $5^2$?
Where is the $12^2$?
Where is the $13^2$?

Where might we find a similar set of related square numbers?