Parallel sides cut proportionally APS

Directions

Move point D along segment AC. Notice the slopes (shown in red) of segments DE and AB (what does this tell you about lines DE and AB? What happens to the ratios

and

as you move point D?

Nowe zasoby

What Do You See? (2)
Parabolas, Lines and Nomograms
Perpendicular Lines: Quick Exploration
Pythagorean Template: Integer Legs
Squares Question

Odkryj zasoby

Plano Osculador, Plano Rectificador y plano Normal
Line
Proof without words : difference a^3 - b^3
Сечение пирамиды-ОБЪЕМЫ
Rotating a Rectangle

Odkryj tematy

Parabola
Ostrosłup
Geometria fraktalna
Okrąg wpisany
Conic Sections