EM-2079
Similar figures
E Math · Secondary 4 · Hard · Similar figures
A solid is made by stacking a small cone on top of a larger cone. The two cones are geometrically similar. The radius of the small cone is 3 cm and the radius of the large cone is 6 cm. It takes 90 seconds to fill the whole solid with water. How long does it take to fill only the large cone?
Answer:
Answer:
- 10 s
- 80 s
- 90 s
- 100 s
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