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Can 9, 40, 41 be the side lengths of a triangle? If so, is it acute, obtuse, or right?
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Can 9, 40, 41 be the side lengths of a triangle? If so, is it acute, obtuse, or right?

User Brannon
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Yes they can. The longest one is less than the sum of the other two,
and the shortest one is more than the difference of the other two.

The triangle is acute one. It is quite skinny.
User Damn Vegetables
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