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HKIMO 2026 Grade 8 National Preliminary Set 01 Question 19

HKIMO · HKIMO 2026 Grade 8 National Preliminary Set 01

Question 19

Find the sum of the interior angles of a regular eight-sided polygon.
  1. $1080^\circ$
  2. $1440^\circ$
  3. $720^\circ$
  4. $900^\circ$