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Is a triangle with the given side lengths of 15cm, 17cm, and 19cm a right triangle?
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3 votes
Is a triangle with the given side lengths of 15cm, 17cm, and 19cm a right triangle?

User Henry Twist
by
8.6k points

2 Answers

4 votes

Answer:

No, it is not a right triangle.

Explanation:

User Jonatanes
by
8.2k points
4 votes
Lets see!
We need to use the pythagorean theorem (a^2+b^2=c^2) to check.
So..
15^2+ 17^2 = 19^2
225+ 289= 361
Hm 225 and 289 do NOT equal 361 therefore it is NOT a right triangle.
User Chernikov
by
8.5k points
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