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BigGirlsTheBest
30.01.2020 •
Mathematics
Acircle with center at (12,−1) passes through (0,−1). find the circumference and area of the circle in terms of p.
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Ответ:
C = 75.36
A = 452.16
Step-by-step explanation:
Find the radius r by finding the distance between (12,-1) and (0,-1) using the distance formula.
The radius is 12.
So the circumference of the circle is![C = 2\pi r = 2\pi 12 = 24\pi = 75.36](/tpl/images/0485/0296/e7b59.png)
So the area of the circle is![A = \pi r^2\\A = \pi 12^2\\A = 144\pi\\A = 452.16](/tpl/images/0485/0296/4cb5a.png)
Ответ:
1/4 because there is 4 grades.