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19 lines
310 B
ObjectPascal
19 lines
310 B
ObjectPascal
program const_circle (input, output);
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const
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PI = 3.141592654;
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var
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r, d, c: Real; {variable declaration: radius, dia, circumference}
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begin
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ShowText;
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Writeln('Enter the radius of the circle');
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Readln(r);
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d := 2 * r;
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c := PI * d;
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Writeln('The circumference of the circle is ', c : 7 : 2);
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end. |