Tell whether the triangle is a right triangle 14.2 19.8 22.9

No it is not

Step-by-step explanation:

       +1+1

          19.8

     +   14.2                   *It's supposed to be 90 degrees for a right triangle.*

          *for this it's only 34 degrees. So the answer is

       =  34.0                                                      no*

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