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avatar+4677 

Help 7

 Dec 19, 2018
 #1
avatar+15316 
+1

Calculate the AREA of the CIRCLE

Calculate the AREA of the BOARD

 

Geometric probability =  Area of circle / Area of board

 Dec 19, 2018
 #2
avatar+94277 
+1

If the iameter of the circle is 6 inches, then  the radius is 3 in

So...the area of the circle is pi*(3)^2 = 9 pi in^2

 

The area of the board is  48 *24   = 1152 in^2

 

So.....the probabililty that the  circle  is hit is:

 

9pi/1152 ≈ 0.0245   =  2.45 %

 

 

cool cool cool

 Dec 19, 2018

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