X^2-y^2-4xz 4z^2 522855-X^2-y^2-4xz+4z^2 josspixtmzz

The first thing I recognize in that equation is the y 2 term, which tells me it will be a parabola (It won't be a circle, ellipse or hyp...

√ 15 75 90 triangle ratio 179923-15 75 90 triangle ratio josspixtmzz

2) The ratio between 2 sides of one triangle will be identical to the ratio of the coresponding 2 sides of the other triangle 3) A ABC ADEF ...