Make a program to calculate by the formula S = ПR²
| February 18, 2021 | education
var
r, s: real; // declare variables
begin
write (‘Enter R value:’); // display a text string
readln (r); // read the value entered from the keyboard
s: = 3.14 * power (r, 2); // calculate the formula
writeln (‘The result of calculating the formula is:’, s); // display the result on the screen
end.
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