An example of this is the vertex figure P Δ PQR (2-3) Q (1, 4) and R (3, 1) Δ PQR, then make the drawing format. The triangle caused by parallel sliding to the right and 4 units or more on three units.
Examples vertex of Δ PQR is P (-3, 2) Q (1, 4) and R (3, 1) Make a Δ PQR then draw a triangle formed by sliding parallel to the right and 4 units up. on the third unit
For example, the peak of the picture. Δ PQR is P (- 3 2), Q (1 4), and, R (3 1), forming a Δ. PQR and drawing.Triangle arising from translation to the right 4 units and up on the 3 units.