Determine if triangle abc with coordinates a(0, 2), b(2, 5), and c(−1, 7) is an isosceles triangle. use evidence to support your claim.
its long answer

Triangle ABC is isosceles.

Step-by-step explanation:

An isosceles triangle means two sides of the triangle should be equal.

Given vertices of the triangle are A(0, 2), B(2, 5) and C(-1, 7)

We will use the formula to find the length

Now length AB =

                         =

                         =

                         =  

Length AV =  

                  =  

                  =  

                  =  

Length BC  =  

                  =  

                  =  

                  =  

mAB = mBC =  ,

Therefore, triangle ABC is isosceles.

answer:

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