ECZ 2025 · O-Level Paper 1 — Computer and Calculator
The following diagram shows a flowchart for a program to calculate the sum(S) of interior angles of a polygon with n sides. Use the flowchart to complete the table in the answer space below: n___18S1440°___
- A. n = 8, S = 2880°
- B. n = 10, S = 2880°
- C. n = 10, S = 3240°
- D. n = 12, S = 2880°
Verified working — step 1
For S = 1440°:The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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