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If the side lengths of a triangle are 3, 6, and 7, then the triangle is obtuse.

True or false?

1 Answer

5 votes
Rule for obtuse triangle is:
c^2 > a^2+b^2
Here
7^2 > 3^2 + 6^2
49 > 9+36
49>45

So answer is True.
User Salizar Marxx
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