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	Area of a region on a map		2005-04-28
		Balachandar pose la question : Pl. find the attached map. 1. Can u pl. find out the total square are of WLMZ 2. Can u pl .find out the total square are of WXYZ -- { A } 3. Can u pl .find out the total square are of XLMY -- { B } Pl .help me to find out the above. ..... Chris Fisher and Penny Nom lui répond.
	The four colour theorem		2002-10-27
		Rhonda pose la question : is there an actual equation for the four colour map theorem??? i cannot find it anywhere!! if so can you give a breif description on how it works!! Penny Nom lui répond.
	Maple trees and pine trees		2002-01-06
		A student pose la question : A team of scientists found that in a forest there was four maple trees for every nine pine trees.How many maple were there if they counted 45 more pine than maples? Penny Nom lui répond.
	The scale on a map		2000-10-21
		Caroline pose la question : On a map scale of 1:15000 the distance between two buildings is 31.4cm what is the actual distance in km. Penny Nom lui répond.
	4 Color map Theorem		2000-06-02
		Rick Slen pose la question : I am challenging my students to find a map that can not be coloured using only 4 colours. I know that it is not possible, but one boy drew a map with a "country" totally surrounding all the others so of course it touched all other colours. How do I explain that this type of map is not permissable? Denis Hanson lui répond.

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