# Concave Pentagon Centroid

**Geometry**Level pending

**equilateral pentagon** located if the apex of the **108** degree interior angle of a regular pentagon is flipped inward toward the apothem in terms of the percentage of the unit side length? Give your answer to 2 decimal places.

**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.