diff --git a/src/main/java/com/thealgorithms/maths/Area.java b/src/main/java/com/thealgorithms/maths/Area.java
index 84fc67159379..abc69fc2adae 100644
--- a/src/main/java/com/thealgorithms/maths/Area.java
+++ b/src/main/java/com/thealgorithms/maths/Area.java
@@ -76,17 +76,25 @@ public static double surfaceAreaSphere(final double radius) {
      * @param slantHeight slant height of the pyramid
      * @return surface area of the given pyramid
      */
-    public static double surfaceAreaPyramid(final double sideLength, final double slantHeight) {
-        if (sideLength <= 0) {
-            throw new IllegalArgumentException("");
-        }
-        if (slantHeight <= 0) {
-            throw new IllegalArgumentException("slant height must be greater than 0");
-        }
-        double baseArea = sideLength * sideLength;
-        double lateralSurfaceArea = 2 * sideLength * slantHeight;
-        return baseArea + lateralSurfaceArea;
-    }
+    * Calculate the surface area of a pyramid with a square base.
+*
+* @param sideLength side length of the square base
+* @param slantHeight slant height of the pyramid
+* @return surface area of the given pyramid
+*/
+public static double surfaceAreaPyramid(final double sideLength, final double slantHeight) {
+if (sideLength <= 0) {
+    throw new IllegalArgumentException("Must be a positive sideLength");
+}
+if (slantHeight <= 0) {
+    throw new IllegalArgumentException("Must be a positive slantHeight");
+}
+    double baseArea = sideLength * sideLength;
+    double lateralSurfaceArea = 2 * sideLength * slantHeight;
+    return baseArea + lateralSurfaceArea;
+}
+}
+
 
     /**
      * Calculate the area of a rectangle.
@@ -232,4 +240,6 @@ public static double surfaceAreaCone(final double radius, final double height) {
         }
         return Math.PI * radius * (radius + Math.pow(height * height + radius * radius, 0.5));
     }
-}
+
+
+    /**