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This picture is taken from Problem Pictures Numbers, a CD-ROM of photographs with activities for mathematics teaching. |
Carved stoneThis carved stone was in a salvage yard. When it rains, how would the water drain off the stone? What kind of symmetry does the stone have? What angles does it have? 11962 |
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The photographs and screen images on this website are copyright and may not be reproduced without permission. Copyright © Richard Phillips 2001/2009. Page updated 6 October 2009. |
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