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26 votes
26 votes
Now that you've figured out the formula for the area of acircle, A =Tr?, let's find the information we need tocalculate that area.We already know to use 3.14 for I.What is the length of the radius of the circle?4.5 feet4,25 feet4 feet8 feet

User Zotta
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1 Answer

17 votes
17 votes

According to the given diagram, the diameter of the circle is 9 feet.

Remember that the radius is half the diameter, so the radius is 4.5 feet.

Hence, the answer is 4.5 feet.

User Chen Houwu
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