jennsou
16.04.2020 •
Mathematics
The circumference of a circle is 80ft. What is the area of the circle? (Rounded to the nearest square foot)
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Ответ:
A≈509.3ft^2
Step-by-step explanation:
You find the Area of a Circle with formula A=πr^2
Down below is an example of how you can do so.
So for you problem you are given the circumference of the circle divide 80 by 2 to get 40. 40/3.14=12.73...
A=3.14*12.73...^2
12.73*12.73=162.05...
3.14*162.05=508.84...
Rounded off Area = 509.3
Ответ: