Cyclic quads

Author:Stephen Sproule

CDEF is a cyclic quadrilateral Move point C to find a relationship between angles D and F. (You may need to study this for a while.) By moving point C does the relationship between angles C and E change?

New Resources

Multiplying 4-Digit by 3-Digit Numbers Using an Area Model
Here comes the sun!
Noisy loop
Bessel Function
רישום חופשי

Discover Resources

Perpendicular Line Construction
Dilations
Trapézio - Área
Ratio Sugar
Three basic constructions

Discover Topics

Upper and Lower Sum or Riemann Sum
Equations
Linear Regression
Cone
Plane Figures or Shapes