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?

New Resources

Angle Addition Postulate (V2) - Integer Solutions
Function Art 3D - Flower
Right Triangle Inscribed in a Semicircle
Segment Addition Postulate (Mild Questions)
Pythagorean Theorem: Extension Exercises

Discover Resources

Optional Trapezoid
AAA Exploration
Perpendicular Bisector for Equidistant
Original shape with first design
三角函数定义

Discover Topics

Pie Chart or Circle Chart
Rotation
Piecewise Functions
Cuboid
Difference and Slope