diff --git a/src/funktion.c b/src/funktion.c
index 85978a8..46450e1 100644
--- a/src/funktion.c
+++ b/src/funktion.c
@@ -336,4 +336,7 @@ double viereckFlaeche(double a, double b) {
 }
 double viereckUmfang(double a, double b){
     return (2 * a) + (2 * b);
+}
+double trapezUmfang(double a, double b, double h) {
+    return (2 * h) + a + b;
 }
\ No newline at end of file
diff --git a/src/funktion.h b/src/funktion.h
index 36467ba..676a0b4 100644
--- a/src/funktion.h
+++ b/src/funktion.h
@@ -59,5 +59,6 @@ double dreieckFlaeche(double a, double b, double c);
 double dreieckUmfangn(double a, double b, double c);
 double viereckFlaeche(double a, double b);
 double viereckUmfang(double a, double b);
+double trapezUmfang(double a, double b, double h);
 
 #endif
diff --git a/src/main.c b/src/main.c
index 07936aa..37a364a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -266,4 +266,10 @@ int main()
     a = getValue('a');
     b = getValue('b');
     viereckUmfang(a,b);
+
+    a = getValue('a');
+    b = getValue('b');
+    h = getValue('h');
+    trapezUmfang(a,b,h);
+    printf("Der Umfang des Trapezes betraegt: %lf\n", (2 * h) + a + b);
 }