Given points(-1,1), and (-11,-9) form the vertices of the base of a triangle, find a third point so that the three points form the vertices of an isosceles triangle.
?
A. (3, 1)
B. (4, -15)
C. ?(-15, -13)
D. ?(3, 5)
E. ?(-6, -4)
Answer: E
Mathematics
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A. 
B. 
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Mathematics