|
2 articles trouvés pour ce sujet.
 |
|
|
|
|
|
|
|
|
Triangular prisms and pyramids |
2009-01-10 |
|
KJ pose la question :
What are some items found in a home or school that could be considered a triangular prism or triangular pyramid?
Robert Dawson and Penny Nom lui répond. |
|
|
|
|
|
|
Three Spheres |
1997-01-14 |
|
Alan Schnerch pose la question :
Three spheres of diameter 2 are placed on a level surface so that each sphere touches the other two. A fourth sphere, also of diameter 2, is placed on top of the other three so that it touches all of the other spheres. The distance from the level surface to the highest point of the top sphere is . . ..
Chris Fisher and Harley Weston lui répond. |
|
|
|
