# Cool Geometry

**Geometry**Level 4

**ABCDEFGHIJKL** be a regular do-decagon, then the value of \(\frac { AB }{ AF } +\frac { AF }{ AB }\) is ?

**Your answer seems reasonable.**Find out if you're right!

Sign up to access problem solutions.

**That seems reasonable.**Find out if you're right!

Already have an account? Log in here.