SOLUTION: How do you classify a triangle with 8cm 12cm and 17cm side lengths? Obtuse Acute Isosceles Right

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Question 458248: How do you classify a triangle with 8cm 12cm and 17cm side lengths?
Obtuse
Acute
Isosceles
Right
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
How do you classify a triangle with 8cm 12cm and 17cm side lengths?
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Check c^2 = b^2 + a^2
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17^2 = 289
8^2+12^2 = 64+144 = 208
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289 > 208
So the angle opposite the 17cm side is more that 90 degrees
Ans: Obtuse
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Cheers,
Stan H.
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Obtuse
Acute
Isosceles
Right