20 lines
291 B
Java
20 lines
291 B
Java
package partie5;
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public class Cercle extends Forme {
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double rayon;
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public Cercle(double r)
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{
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this.rayon = r;
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}
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public double perimetre()
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{
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return rayon*2*Math.PI;
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}
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public double surface()
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{
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return rayon*rayon*Math.PI;
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}
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}
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