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Triangles with rational area
Posted 20 July 2014 - 12:50 PM
A triangle has side lengths a, b and c. We are told that its area is rational.
Which of the following can we conclude about its sides?
- All three sides are rational
- Two of the sides are rational, the third is not.
- One side is rational, the other two are not.
- None of the sides is rational.
- All of the above are possible.
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