Pyramid model
Peter brought back from his vacation in Egypt a model pyramid in the shape of a regular quadrilateral pyramid. He measured that its base edge has a length of 7 cm and the lateral edge has a length of 10 cm. The model has a mass of 1 kg and is made of an unknown metal. What metal is the model made of? The table of densities will help you.
Your answer:
| Metal | Density in g/cm3 |
|---|---|
| Lead | 11.34 |
| Silver | 10.5 |
| Zinc | 7.06 |
| Iron | 7.60 |
Your answer:
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You need to know the following knowledge to solve this word math problem:
arithmeticsolid geometryplanimetryUnits of physical quantitiesthemes, topicsGrade of the word problem
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