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

Trefoil Knot
z`]]
bewijs stelling van Pythagoras
Rose Curve
Viviani's Curve

Discover Resources

e-d-limit-definition
Eight
geometric sequence and series
Trig Project
TrigDef

Discover Topics

Cosine
Dilation
Fractions
Power Functions
Optimization Problems