Can the sides of a triangle have lengths of 42, 45, and 13? If so, what kind of triangle is it?

David Ferreira asked Jun 8, 2022

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David Ferreira asked Jun 8, 2022

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17 votes

Answer:

obtuse

Explanation:

45^2 = 2025

42^2 = 1764

13^2 = 169

169+1764=1933

2025 > 1933

therefore it is an obtuse triangle

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