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Triangle Inequality TheoremDetermine if a triangle can be formed with the given lengths. If so, classify the triangle by its angle.YESorNO

Triangle Inequality TheoremDetermine if a triangle can be formed with the given lengths-example-1
User SmjZPkYjps
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1 Answer

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Given:-


7,20,12

To find:-

Wheather the given sides form a valid triangle.

So now let,


A=7,B=20,C=12

To check we use the condition,


A+B>C,B+C>A,C+A>B

Substituting the values we get,


7+20>12,20+12>7,12+7>20

In the above condition 12+7>20 is wrong.

So the condition fails and the given sides doesnt form a triangle.

User Tom Savage
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