|
2 articles trouvés pour ce sujet.
 |
|
|
|
|
|
|
|
|
60 seconds in a minute |
2001-10-11 |
|
Andy pose la question :
I am a fourth grade teacher. Yesterday my students asked "Why are there 60 seconds in a minute?" Which also led to 60 minutes in an hour? I have had trouble determining why the number 60? Any help would be appreciated.
Penny Nom lui répond. |
|
|
|
|
|
|
The side length ratios of some triangles |
2000-04-04 |
|
Alexis Lockwood pose la question :
I am doing a project for my Math 30B class regarding the side length ratios of 45-45-90 degree and 30-60-90 degree triangles. I would really appreciate any assistance in answering the following questions, or even direction to an appropriate web site or resource on the matter.
Harley Weston lui répond. |
|
|
|
