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warnene17
31.07.2019 •
Mathematics
The area of a circle (a) is given by the formula a=pi*r2 where r is the circle's radius. the formula to find r is . if and , r is centimeters.
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Ответ:
A = pi * r ^ 2.
Clearing the value of r we have:
r = root (A / pi)
Note that r has two roots:
r1: = + root (A / pi)
r2: = - root (A / pi)
In this case we must ignore the negative root.
The formula to find r is
r = root (A / pi)
Ответ:
The output of y = 1
Step-by-step explanation: