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**tony123****Member**- Registered: 2007-08-03
- Posts: 216

Prove that if two right-angled triangles

have the same perimeter and the same area,

then they are congruent.

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**Bob****Administrator**- Registered: 2010-06-20
- Posts: 9,355

hi tony123

Thanks for another interesting puzzle. I think this is a proof but it's a bit messy.

Bob

Children are not defined by school ...........The Fonz

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

Sometimes I deliberately make mistakes, just to test you! …………….Bob

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**tony123****Member**- Registered: 2007-08-03
- Posts: 216

nice work

thanks Bob

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