M2_9_9_2_1
GeoGebra Construction:
9_2_1
Construct a triangle triangle ABC and proper Menelaus points L, M, and N for trianlge ABC.
Calculate the quantity .
Move the vertices of the triangle and the Menelaus points to verify that if the Menelaus points are collinear, then d = 1.
Solution:
If the Menelaus points are collinear, d=1.