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Un article trouvé pour ce sujet.
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Some angles in a pyramid |
2008-08-04 |
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Carla pose la question :
A symmetrical pyramid stands on a square base of side 8cm. The slant height of
the pyramidis 20cm. Find the angle between the slant edge and the base, and the angle between
a slant face and the base.
Penny Nom lui répond. |
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