Adding Triangular Prism

Author: DEVANSH-GAJJAR

src/main/java/com/thealgorithms/maths/Volume.java

@@ -102,4 +102,11 @@ public static double volumePyramid(double baseArea, double height) {
     public static double volumeFrustumOfCone(double r1, double r2, double height) {
         return (Math.PI * height / 3) * (r1 * r1 + r2 * r2 + r1 * r2);
     }
+
+    public static double volumeTriangularPrism(double base,double height,double length)
+    {
+        return 0.5*base*height*length;
+    }
+
+       
 }