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?

Nuevos recursos

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Slope Between 2 Points (Phase 2)
Perimeter of Rectangle
Superellipse
bewijs stelling van Pythagoras

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Derivative and Integral
An equilateral triangle from incenters and circumcenter
מערך מספר 4
Myfirstchallenge_Donte.ggb
APCBC 5.9 Lecture Graphs

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