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Un article trouvé pour ce sujet.
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A pyramid and Pythagoras |
2011-10-15 |
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ele pose la question :
On square based pyramid, the lengths of the sides of the base are all 2m. The height from the top of the pyramid to the middle of the base is 0.5m. What are the lengths of the sides of the triangular pieces and the contained angle?
Penny Nom lui répond. |
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