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Un article trouvé pour ce sujet.
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A sheet of corrugated iron |
2007-10-03 |
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Ashutosh pose la question :
A sheet of corrugated iron has corrugations based on the arc of a circle of radius of 3 cm and a central angle of 180 degrees. How many corrugations are formed when a flat sheet of steel 1 metre wide is bent to form a sheet of corrugated iron?
Stephen La Rocque lui répond. |
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