diff --git a/TP2/rayon.c b/TP2/rayon.c
new file mode 100644
index 0000000..35abe38
--- /dev/null
+++ b/TP2/rayon.c
@@ -0,0 +1,12 @@
+#include <stdio.h>
+int main() {
+    float       rayon ;
+    float       resultat ;
+    const float pi = 3.141592653589793 ;
+
+    rayon = 10;
+    resultat = pi * rayon * rayon ;
+    printf("resultat = %f\n",resultat);
+
+}
+