ECZ 2024 · GCE Paper 1 — Similarity and Congruency
The ratio of the surface areas of two similar solids is 9:25. The volume of the bigger solid is 375 cm3. Find the volume of the smaller solid.
- A. 225 cm3
- B. 81 cm3
- C. 135 cm3
- D. 15 cm3
Verified working — step 1
Surface-area ratio smaller:bigger = 9:25.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.
Have a different question?
Search it — if it is from a past paper or a school mock, chances are we have it worked out, or one that uses the same method.
Search any past-paper question