Question

Two vertices of a triangle abc are a(2,3) and b(1,-3) and its centroid is (3,0) then the co-ordinates of its third vertex c is

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

let the coordinates of c be (x,y)

3 = (2 + 1 + x)/3(we are using the formula that the x coordinate of the centroid                      

                         of a triangle = sum of the x coordinates of the three vertices/3)

2+1+x = 9

x = 6

0 = 3-3+y

y = 0

the coordinates of c are(6,0)

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