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 Sujet: exclusion
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 A triangular island 2012-12-29 Udit pose la question :A long time ago Mr Gibson found an island shaped as a triangle with three straight shores of length 3 km,4 km and 5 km. He declared an 'exclusion zone' around his island and forbade anyone to come within 1 km of his shore. What was the area of his exclusion zone?Penny Nom lui répond. An exclusion zone around a triangle II 2011-05-03 Aishwarya pose la question :A long time ago Mr gibson found an island shaped as a triangle with three straight shores of length 3km, 4km and 5km. He declared an exclusion zone around his island and forbade anyone to come within 1km of his shore. What was the area of his exclusion zone? This question was answered but did not understand the explanation.Robert Dawson lui répond. An exclusion zone around a triangle 2008-09-07 Awrongo pose la question :A long time ago Mr Gibson found an island shaped as a triangle with three straight shores of length 3 km,4 km and 5 km. He declared an 'exclusion zone' around his island and forbade anyone to come within 1 km of his shore. What was the area of his exclusion zone?Stephen La Rocque and Penny Nom lui répond. How many two digit numbers contain at least one 7? 2007-09-06 Janet pose la question :How many two digit numbers contain at least one number seven?Penny Nom lui répond. Three dice 2004-05-10 A student pose la question :If one has 3, 6 sided dice what is the probability of the numbers that are rolled to total 4 through 10 inclusively? Subsequent to this, what is the probability to do this consecutively...say 3 times?Peny Nom lui répond. Numbers with the digit 2 in 1...1000 1999-09-20 Jessica pose la question :Is there a trick to finding out how many numbers containing the digit two is there from 1 to 1000?Walter Whiteley lui répond.

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