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Solve this it's urgent​

Answer»

Both of them are right ANGLED triangles.We NEED to CHECK them by PYTHAGORAS theorem.3) 12^2 + 16^2 = 20^2144 + 256 = 400400 = 4004) 12^2 + 5^2 = 13^2144 + 25 = 169169 = 169



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