Perpendicular Intersections 2

Directions

In the picture Angle ADC and Angle BDC are congruent. What other details do we know about Angle ADC and Angle BDC? What relationship does Line AB and Line DC have?

New Resources

Exploring GeoGebra for the First Time
Reflection across a line
အခြေခံ data အခေါ်အဝေါ်များ
Reflection = 180° Rotation about a Line
seo tool

Discover Resources

I.1 in Hyperbolic Geometry
Geek out in 3D
Trigonometric Graphs and the Unit Circle wellington point

Discover Topics

Conic Sections
Difference and Slope
Median Line
Arithmetic Mean
Linear Regression