lenaaemersonn2
04.02.2021 •
Mathematics
2 cm
(x - 1) cm
3 cm
С
(x + 4) cm
What are the lengths, in centimeters, of AC and CB?
140-
cm
cm
Solved
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Ответ:
Since you have the circumference of the circle already you should plug the circumference into the formula of the radius: r=C/2π, once you find the radius plug it into the area of a circle formula:a=πr^2. By utilizing the circumference of the circle you were able to find the area of it
C- circumference
r-radius
a-area