ECZ 2020 · GCE Paper 1 — Similarity and Congruency

Rectangle ABCD and DAEF are geometrically similar. Given that AB = 10 cm and AD = 4 cm, calculate the area of rectangle DAEF.

Diagram for ECZ 2020 · GCE Paper 1
  • A. 4 cm2
  • B. 16 cm2
  • C. 6.4 cm2
  • D. 8 cm2

Verified working — step 1

Rectangle ABCD has dimensions 10 cm by 4 cm.

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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