Question 17
How many diagonals does a convex 16-sided polygon have?
HKIMO 2026 THPT (Grades 10–12 shared) National Preliminary Set 01 Question 17
HKIMO · HKIMO 2026 THPT (Grades 10–12 shared) National Preliminary Set 01
HKIMO · HKIMO 2026 THPT (Grades 10–12 shared) National Preliminary Set 01