roles) || in_array('administrator', $user->roles) || in_array('admin', $user->roles ) ) { ?>
probname); ?>
Topic Classification: nid, "Topic Classification"); ?> Tags: nid, "Problem Tag");?>
Topics: nid, "Topics"); ?> Prerequisites: nid, "Prerequisites"); ?>
Supplies: nid, "Supplies"); ?> Pedagogy: nid, "Pedagogy"); ?>
Grade Vs Difficulty:
  EasyModerateChallengingPerplexing
1-2
 
3-4
 
5-6
 
7-8
 
9-10
 
11-12
 
13-14
 
Solution: nid, "Solution"); ?>
Problem

In order to find the distance between two points in four-dimensional space, one must first understand distance in two and three dimensions. To begin, what is the distance between the points (2006, 2007) and (2010, 2002)? In general, how do we compute distance in the plane?

Details
Source Title: Circle in a Box
Source Author: Sam Vandervelde
Source URL: http://www.mathcircles.org/node/65
Authors
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References
nid); if (mysql_num_rows($refresult) > 0 ) { ?> nmcreferenceid; $referenceauthor = $data->author; $referencetitle = $data->title; $referenceurl = $data->url; ?> 0 ) { print '
Reference Author Reference Title Reference URL
'; } ?>
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Problem Sets This Problem Belongs to:
parent_nid; ?> Set:
VARIABLES
nid, 1); while ($data = db_fetch_object($variablesresult)) { $variable = $data->elementdata; ?> •


DEFINITIONS
nid); while ($data = db_fetch_object($defresult)) { $definitionid = $data->nmcdefinitionid; $definition = $data->definition; $definitionname = $data->definitionname; ?> •