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if-i-had-a-grid-with-4-quadrants-and-i-shaded-a-quarter-of-it-and-chose-one-of-the-4-quadrants-to-form-a-new-grid-and-shaded-it-and-repeated-the-process-infinitly-what-is-the-amount-of-the-shaded-a




Question Number 4941 by madscientist last updated on 25/Mar/16
if i had a grid with 4 quadrants and i shaded a    quarter of it and chose one of the 4 quadrants to form a new grid  and shaded it and repeated the process infinitly what   is the amount of the shaded area?  and what formula will solve it?
ifihadagridwith4quadrantsandishadedaquarterofitandchoseoneofthe4quadrantstoformanewgridandshadeditandrepeatedtheprocessinfinitlywhatistheamountoftheshadedarea?andwhatformulawillsolveit?
Answered by FilupSmith last updated on 25/Mar/16
At first: (1/4) shaded  then another (1/8)  ...    S=Σ_(i=1) ^∞ (1/4^i ),       ratio = r = (1/4),  1st term = a = (1/4)  ∴ S = (a/(1−r)) = ((1/4)/(1−(1/4))) = ((1/4)/(3/4)) = (1/4)×(4/3)  S = (1/3)
Atfirst:14shadedthenanother18S=i=114i,ratio=r=14,1stterm=a=14S=a1r=14114=1434=14×43S=13

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