Question

A triangle has sides with lengths of 4 miles, 6 miles, and 8 miles. Is it a right triangle?

yes or no

Answer 1

No, it is not a right triangle

Explanation:

You want to know if a triangle with sides 4, 6, and 8 miles is a right triangle.

Right triangle

The side lengths of a right triangle will satisfy the Pythagorean theorem:

c² = a² +b²

8² = 4² +6²

64 = 16 + 36

64 = 52 . . . . . . . . false; not a right triangle

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Additional comment

The attachment shows the triangle is an obtuse triangle.

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