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Un article trouvé pour ce sujet.
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A semi-circular roof gutter |
2012-04-09 |
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Kyle pose la question :
A semi-circular roof guttering contains some water.
The cross-section of the guttering has a diameter of 10 centimetres. The surface of the water collected in the guttering is 8cm.
What is the depth of water in the gutter?
Penny Nom lui répond. |
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