Question

Two vertice of a triangle are (3,-5) ,(-7,4).if its centroid is (2,-1). Find the third vertex

Answer 1

Answer:

Step-by-step explanation:

Attached below... hope it helps

Answer 2

Step-by-step explanation:

Let A(3.−5) B(−7,4) and C(x,y)

Centroid "O" (2, -1)

Centroid"O"=x1+x2+x33,y1+y2+y33

⟹(3−7+x)3=2

Therefore x=10

⟹(−5+4+y)3=−1

Therefore y=−2