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dayday2013
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https://pwnd9373ndscholarshipccl.gradpoint.com/Resource/630568,72F,0,0,0,0,0/Assets/testitemimages/geometry_b/area/mc1291.jpg
A point in the figure is selected at random. Find the probability that the point will be in the shaded region.
 one year ago
 one year ago
dayday2013 Group Title
https://pwnd9373ndscholarshipccl.gradpoint.com/Resource/630568,72F,0,0,0,0,0/Assets/testitemimages/geometry_b/area/mc1291.jpg A point in the figure is selected at random. Find the probability that the point will be in the shaded region.
 one year ago
 one year ago

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domu Group TitleBest ResponseYou've already chosen the best response.1
Assume the square has side lengths = 1 so that the area of the square is 1, then the half circles have diameter = 1 (i.e. radius =1/2). Calculate the area of the circle and divide it by the area of the square.
 one year ago

dayday2013 Group TitleBest ResponseYou've already chosen the best response.0
but i dont know the area of the square @domu
 one year ago

domu Group TitleBest ResponseYou've already chosen the best response.1
That's fine, all we need is the proportion of the circle compared to the square. So it doesn't matter which length you pick for the side of square. I.e. we can just assume the length of each side of the square = 1.
 one year ago

dayday2013 Group TitleBest ResponseYou've already chosen the best response.0
ok this problem is very hard for me
 one year ago

domu Group TitleBest ResponseYou've already chosen the best response.1
What's the formula for the area of a circle?
 one year ago

chhanndresh Group TitleBest ResponseYou've already chosen the best response.0
Probability will be pi/4
 one year ago
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