SOLUTION: A circular dart board has a series of rings around a solid center, called the bullseye. To find the area of the outer white ring, we can use the formula below. A = πR 2 - &#9

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Question 230147: A circular dart board has a series of rings around a solid center, called the bullseye. To find the area of the outer white ring, we can use the formula below.
A = πR 2 - πr 2
Factor the expression on the right-hand side of the equation.
r = 1 R = 5
Please help.
Thank you,
Albert
Answer by mubarak(1) About Me  (Show Source):
You can put this solution on YOUR website!
a=3.14(5)2-3.14(1)2