SOLUTION: Find the measures of the sides of triangle ABC and clissify each triangle by its sides. A(5,4),B(3,-1),C(7,-1)

Algebra ->  Triangles -> SOLUTION: Find the measures of the sides of triangle ABC and clissify each triangle by its sides. A(5,4),B(3,-1),C(7,-1)      Log On


   

Question 388171: Find the measures of the sides of triangle ABC and clissify each triangle by its sides. A(5,4),B(3,-1),C(7,-1)
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!

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Use the distance formula to find the length of the sides,
D%5E2=%28x%5B2%5D-x%5B1%5D%29%5E2%2B%28y%5B2%5D-y%5B1%5D%29%5E2
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AB%5E2=%283-5%29%5E2%2B%28-1-4%29%5E2
AC%5E2=%287-5%29%5E2%2B%28-1-4%29%5E2
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BC%5E2=%287-3%29%5E2%2B%28-1-%28-1%29%29%5E2=4%5E2
highlight%28BC=4%29