Saved Bookmarks
| 1. |
The centroid of ΔPQR whose vertices are P(1, –3) Q(–3, 6) and R(x, y) is (–2, 2) then value of (x + y)2 equals |
|
Answer» begin{gathered}\BOXED{\begin{minipage}{11.44cm}\textsf{If the coordinates of the vertices of a triangle are \ $(x_1,\ y_1),\ (x_2,\ y_2)$ \ and \ $(x_3,\ y_3),$}\\ \\ \textsf{then the coordinates of the centroid of the triangle will be,}\\ \\ \begin{center}\LARGE \text{$\left(\dfrac{x_1+x_2+x_3}{3},\ \dfrac{y_1+y_2+y_3}{3}\right)$}\END{center}\end{minipage}}\end{gathered}Coordinates of three vertices of ΔPQR are given.\begin{gathered}\mapsto\ P(1, 1)\\ \\ \mapsto\ Q(2, 2)\\ \\ \mapsto\ R(-3, -3)\end{gathered} ↦ P(1,1)↦ Q(2,2)↦ R(−3,−3) |
|