+0  
 
0
259
1
avatar+1848 

https://i.postimg.cc/4dQY9Lbs/IMG-8573-1.jpg
https://i.postimg.cc/cHFsWVBg/IMG-8574-1.jpg

 Apr 15, 2019
 #1
avatar+111455 
+3

P(Moon Hit)  =  Area of Moon  / Area  of Cover

 

{ 2 1/2   = 2.5  }

 

Area of Moon  = pi (diameter/ 2)^2  =  pi (2.5/2)^2  = pi (1.25)^2 =  4.9 in ^2

 

Area of Cover  = (5 1/2) ( 8 1/2)  = (5.5) (8.5)  = 46.75 in^2

 

So

 

4.9  / 46.75  ≈ .1048 ≈   10.5%

 

 

cool  cool cool

 Apr 15, 2019
edited by CPhill  Apr 15, 2019

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