A triangle has sides of lengths 12, 14, and 19. Is it a right triangle? Explain.

Question

Mathematics

Tavian

8 November, 20:02

A triangle has sides of lengths 12, 14, and 19. Is it a right triangle? Explain.

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Answers (1)

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Rory Archer · Answer 1

A^2 + b^2 = c^2

C should equal to the longer side, which would be 19.

Plug in other two numbers for A and B.

12^2 + 14^2 = 19^2

Now see if it's correct. If it is, then it's a right triangle, if it's not then it isn't a right triangle.

144 + 196 = 361

340 = 361

It's not a right triangle.