SOLUTION: determine if a triangle with sides of 9", 12" and 18" is a right triangle. Explain your answer.
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Question 289596: determine if a triangle with sides of 9", 12" and 18" is a right triangle. Explain your answer.
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
If it is a right triangle then :
a^2+b^2=c^2
9^2+12^2=18^2
81+144=324
225 does not=324 this is not a right triangle.
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