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3 years ago

A triangle has side lengths of 13, 9, and 5. Is the triangle a right triangle? Explain.

Mathematics

2 answers:

valentina_108 [34]3 years ago

8 0

Answer: This triangle is not a right triangle

Step-by-step explanation:

In a right triangle, the hypotenuse(c) is always the longest side and a and b are the shorter sides. Thus, 5^2+9^2=13^2. Simplify this to get 25+81=169, then 106=169. Because 106 does not equal 169, it is not a right triangle.

Hope it helps <3

icang [17]3 years ago

8 0

Answer:

The triangle is NOT a right triangle

Step-by-step explanation:

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$(\sqrt{n})^{2} = (\frac{2.575*7.8}{2})^{2}$

$n = 100.85$

Rounding up

We need a sample size of at least 101

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