In Pascal ABC. Find the radius of the circle if the area of the circle is known.

univerkov | August 2, 2021 | education

Circumference: S = pi * R ^ 2
The radius of the circle is: R = square root of (S / pi), where S = area of the circle, pi constant = 3.14

uses crt;

const
pi = 3.14;

var
R, S: real;

begin
writeln (‘Vvedite S:’);
readln (S);
R: = sqrt (S / pi);
writeln (‘Radius =’, R);
end.

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