ECZ 2020 · GCE Paper 1 — Mensuration

The diagram below shows a right square pyramid ABCDE of base 6cm and EF = 5cm. Calculate the total surface area of the triangular faces of the pyramid.

Diagram for ECZ 2020 · GCE Paper 1
  • A. 60 cm2
  • B. 90 cm2
  • C. 120 cm2
  • D. 30 cm2

Verified working — step 1

Area of one triangular face = 12× 6 × 5

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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