SOLUTION: When the question says Determine whether a triangle with the given side lengths is a right angle I just don't get it. They will give numbers like 8 m, 15 m, 17 m. And I don't know

Question 28084: When the question says Determine whether a triangle with the given side lengths is a right angle I just don't get it. They will give numbers like 8 m, 15 m, 17 m. And I don't know how to make sure it's a right angle
Answer by longjonsilver(2297) (Show Source): You can put this solution on YOUR website!
In a right-angled triangle, the square of the longest side (the hypotenuse) IS equal to the sum of the squares of the other 2 sides:

So, if is the same as then the triangle IS right-angled.

is 289
is 64 + 225 which is also 289

so this IS a right-angled triangle.

jon.

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