document.write( "Question 363562: the diameter of a regulation size dartboard is 18in. What is the probablity of hitting the triple 20? \n" ); document.write( "

Algebra.Com's Answer #259320 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
You need to find the area of the triple 20 region $\"A%5Bt20%5D\"$ .
\n" ); document.write( "Then the probability of hitting a triple 20 is the total area of a triple 20 region divided by the area of the entire dartboard $\"A%5Bt%5D\"$ .
\n" ); document.write( " $\"A%5Bt%5D=pi%2A%28D%5E2%2F4%29=pi%2A%2818%29%5E2%2F4=%2881%2F4%29pi\"$
\n" ); document.write( " $\"P=A%5Bt20%5D%2F%28%2881%2F4%29pi%29\"$
\n" ); document.write( " $\"highlight%28P=%284%2AA%5Bt20%5D%29%2F%2881%2Api%29%29\"$
\n" ); document.write( " \n" ); document.write( "

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