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	The difference between the ares of two rectangles		2016-06-09
		Ingrid pose la question : I am trying to help my son with an area question. I have the answer, from the solutions, but I cannot figure out how to teach him. Question: Two rectangles have lengths 13cm and 19cm respectively. Their total area is 376cm squared. If both their widths are whole numbers, what is the difference in their areas? I know that this is solvable once I determine the widths of the rectangles , but how do I go about finding that? Thanks for your help Chris Fisher and Harley Weston lui répond.
	The sum of the angles of a triangle		2016-02-24
		Sophia pose la question : Does every triangle add up to 180 degrees? (Such as a unique triangle) Penny Nom lui répond.
	Euclid's Parallel Postulate		2013-08-20
		Justin pose la question : Hello there, I was wondering is Euclid's Fifth Parallel Postulate of parallel lines never intersecting, undecidable or essentially undecidable? Thank you so much for any help you can provide! Robert Dawson lui répond.
	Express the HCF of 1232 and 573 as 1232x + 573y = 1		2009-02-22
		Anonymous pose la question : Express the HCF of 1232and 573 as 1232x + 573y = 1. Victoria West lui répond.
	Greatest common divisor		2007-03-14
		Marie pose la question : How do I prove this? Let h be the greatest common divisor of the positive integers a and b. Show that there exist integers p and q (not necessarily positive) such that pa + qb = h. Thanks Penny Nom lui répond.
	Show that 3k+2 and 5k+3 are relatively prime		2007-01-15
		Andrea pose la question : show that if k is a positive integer, then 3k+2 and 5k+3 are relatively prime Penny Nom lui répond.
	How many children were there?		2006-05-14
		Geecee pose la question : At a local village gala, the entire population turned up, 500 people. The event raised £3,000. Tickets were priced as follows: £7.48 men, £7.12 women and £0.45 children. How many children were there? Stephen La Rocque lui répond.
	Absolute Value vs. Standard Deviation ?		2006-04-24
		Sonia pose la question : Why we don't just take the average of the absolute value of difference scores (use the mean deviation) to describe variability instead of calculating the standard deviation? Claude Tardif lui répond.
	Non-euclidean geometry		2003-12-08
		Geoffrey pose la question : How can you use non-euclidean geometry to navigate on a sphere? What geometers did work in this area? Chris Fisher lui répond.
	Non-Euclidean geometry		2003-12-03
		Geoffrey pose la question : What are the applications of Non-Euclidean geometry (especially hyperbolic and spherical)? Walter Whiteley lui répond.
	The Euclidean Algorithm		2002-01-31
		Murray pose la question : Can you please explain to me why the euclidean algorithm works? Penny Nom lui répond.
	Reduce 79,537/3,623,420		2001-12-13
		Eliana pose la question : How do you reduce 79,537/3,623,420. Claude Tardif lui répond.
	Euclidean distance		2000-09-06
		Velma Zahirovic-Herbert pose la question : If d(x,y) is euclidean distance between x and y Prove that d(x,y)>=0 if d(x,y)=0 than x=y and d(x,y)=d(y,x) Paul Betts lui répond.
	Euclidean Math puzzle		2000-01-24
		Margaret Matthews pose la question : (Check out this web-site: Simeon's Triangle Puzzle ) I have tried to figure out how this could be, because everything I know about it tells me it can't be. However, I can't seem to make it NOT work. Two right angle triangles. They are each cut up into four identical pieces. In the first, all the pieces fit together so that there are NO empty spaces; in the second, presumed to be identical in size to the first, the pieces are slightly rearranged, and now, there IS a space in the triangle. Patrick Maidorn and Claude Tardif lui répond.
	Non-Euclidean Geometry		1999-02-10
		Robert Smith pose la question : Is non-euclidean geometry necessary for the college bound student? I have students that are inerested in teaching math one day. My school is restricted to Euclidean Geometry. Walter Whiteley and Jack LeSage lui répond.

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