I think it's B. I might be wrong, but I really hope I helped!
Step-by-step explanation:
Answer from: Quest
step-by-step explanation:
∆abc has the points a(1, 7), b(-2, 2), and c(4, 2) as its vertices. formed with the point d(1, 2) as its third vertex, then ∆abd is triangle.
Answer from: Quest
good job you smart son of a gun you are smarter that einstein. 7
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