diff --git a/RightAngleTriangle.java b/RightAngleTriangle.java
new file mode 100644
index 0000000..f99abea
--- /dev/null
+++ b/RightAngleTriangle.java
@@ -0,0 +1,19 @@
+import java.util.*;
+class RightAngleTriangle
+ {
+    public static void main(String[] args) 
+    {
+	 int n,i,j;
+	Scanner sc=new Scanner(System.in);
+	System.out.print("Enter the Number of rows - ");
+	n=sc.nextInt();
+	for(i=1;i<=n;i++)
+	{
+		System.out.print("\n");
+		for(j=1;j<=i;j++)
+		{
+			System.out.print(j);
+		}
+	}
+    }
+}
\ No newline at end of file