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karlagomezgarcia96
17.10.2019 •
Mathematics
If mary walks in a perfect circle around a perfectly circular pond, approximately how far has she walked if the diameter of the pond is measured to be 48 feet and she has taken 3 laps around the pond? a. 144 b. 150 c. 450 d. 1800
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Ответ:
C. 450 feet
Step-by-step explanation:
Given : Diameter of perfectly circular pond= 48 feet
We know that the circumference of circle is given by :-
Then, the circumference of pond will be :-
Since, she has taken 3 laps around the pond.
Then , the total distance covered by her =![3\times C](/tpl/images/0328/7717/ffc09.png)
Hence, she walked 450 feet.
Ответ: