Question 1
$n$ straight lines cut a circle into 361 regions. Find the minimum $n$.
HKIMO 2020 THPT (Grades 10–12 shared) National Final (Heat) Set 01 Question 1
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