ECZ 2014 · O-Level Paper 1 — Sequences and Series
The first three figures of a sequence are shown. Figure 1 is a square of side 2 cm, figure 2 contains 2 such squares and figure 3 contains 3. The table gives the perimeter of each figure. Find the perimeter, p, of figure 6.
- A. 24
- B. 20
- C. 32
- D. 28
Verified working — step 1
The perimeters 8, 12, 16, … increase by 4 each time. Continuin…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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