Find the length of each side of the triangle ABC and determine whether the triangle is an isosceles triangle,a right triangle,both,or neither.
A (-1,0,1) ,B (1,1,-1) ,C (1,1,1)
A) 3, 2, , right
B) 1, 1, , isosceles
C) 1, 2, , neither
D) 1, 1, , both
Correct Answer:
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