Question 18
An interior angle of a regular $n$-gon is $(15n+15)^\circ$. Find the maximum $n$.
HKIMO 2020 THPT (Grades 10–12 shared) National Final (Heat) Set 01 Question 18
HKIMO · HKIMO 2020 THPT (Grades 10–12 shared) National Final (Heat) Set 01
HKIMO · HKIMO 2020 THPT (Grades 10–12 shared) National Final (Heat) Set 01