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42 votes
42 votes
The lengths of the sides of a triangle are given below. Classify the triangle as acute, obtuse, or right.

13, 5, 12

A. Acute Triangle


B. Obtuse Triangle


C. Right Triangle

User Chiaro
by
3.0k points

1 Answer

23 votes
23 votes

Answer:

  • C. Right Triangle

Explanation:

Verify with Pythagorean:

  • 13² = 169
  • 5² + 12² = 25 + 144 = 169
  • 169 = 169

We see the squares are equal, so this is a right triangle.

Correct choice is C

User Josh Allen
by
3.3k points