The lengths of the sides of a triangle are 10 , 13 , and 19. classify the triangle as acute, right, or obtuse.

Question

Mathematics

Dane Lane

10 March, 06:22

The lengths of the sides of a triangle are 10 , 13 , and 19. classify the triangle as acute, right, or obtuse.

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Answers (1)

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Brooks Terry · Answer 1

If c²=a²+b², it is a right triangle.

if c²
if c²>a²+b², it is a obtuse triangle.

in this case, 19²=361, 10²+13²=269. 19²>10²+13², so it is an obtuse triangle.