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11 Nov 2019
a.) In the figure,the area of the smaller circle is N% that ofthe larger circle.Find the integer closest to N.
b.) How many of of the first 2012 positive integers are divisibleby 3 but not by 4?
c.) Given 2011 x 129 = 259419 and 129 x 129 = 16641.How many "4"sare there in the product 20110129 x 20110129?
d.) In a regular 2012-sided polygon,the distance from each vertexof its centre is 1. Find the area of the polygon correct to thenearest integer.
a.) In the figure,the area of the smaller circle is N% that ofthe larger circle.Find the integer closest to N.
b.) How many of of the first 2012 positive integers are divisibleby 3 but not by 4?
c.) Given 2011 x 129 = 259419 and 129 x 129 = 16641.How many "4"sare there in the product 20110129 x 20110129?
d.) In a regular 2012-sided polygon,the distance from each vertexof its centre is 1. Find the area of the polygon correct to thenearest integer.
Jean KeelingLv2
27 Jan 2019
