InterviewSolution
Saved Bookmarks
| 1. |
1). (-3, 8)2). (3, 8) 3). (-3, -8) 4). (3, -8) |
|
Answer» For a triangle ABC with vertices A(AX, Ay), B(BX, By) and C(CX, Cy), the COORDINATES of the centroid of triangle are obtained as, (OX, Oy) = [(AX + BX + CX)/3], [(Ay + By + Cy)/3] GIVEN, A(-3, -1), B(3, 5) and O(-1, 4) Computing x-coordinate, ⇒ -1 = (-3 + 3 + CX)/3 ⇒ CX = -3 Computing y-coordinate, ⇒ 4 = (-1 + 5 + Cy)/3 ⇒ Cy = 12 - 4 = 8 ∴ Coordinates of vertex C is (-3, 8) |
|