SOLUTION: AB= 1.8 BC= 8 AC=8.4 Does the triangle have a right angle?

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Question 1072711: AB= 1.8 BC= 8 AC=8.4 Does the triangle have a right angle?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If the square of the longest side = sum of the squares of the other 2 sides, it's a right triangle.
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If and only if.