diff --git a/src/main/java/com/thealgorithms/maths/Area.java b/src/main/java/com/thealgorithms/maths/Area.java
index 84fc67159379..17411bb1d5a4 100644
--- a/src/main/java/com/thealgorithms/maths/Area.java
+++ b/src/main/java/com/thealgorithms/maths/Area.java
@@ -78,10 +78,10 @@ public static double surfaceAreaSphere(final double radius) {
      */
     public static double surfaceAreaPyramid(final double sideLength, final double slantHeight) {
         if (sideLength <= 0) {
-            throw new IllegalArgumentException("");
+            throw new IllegalArgumentException("Must be a positive sideLength");
         }
         if (slantHeight <= 0) {
-            throw new IllegalArgumentException("slant height must be greater than 0");
+            throw new IllegalArgumentException("Must be a positive slantHeight");
         }
         double baseArea = sideLength * sideLength;
         double lateralSurfaceArea = 2 * sideLength * slantHeight;
diff --git a/src/test/java/com/thealgorithms/maths/AreaTest.java b/src/test/java/com/thealgorithms/maths/AreaTest.java
index 1c2fe53ff3f3..2cfba4399f65 100644
--- a/src/test/java/com/thealgorithms/maths/AreaTest.java
+++ b/src/test/java/com/thealgorithms/maths/AreaTest.java
@@ -21,6 +21,11 @@ void testSurfaceAreaCuboid() {
         assertEquals(214.0, Area.surfaceAreaCuboid(5, 6, 7));
     }
 
+    @Test
+    void testSurfaceAreaPyramid() {
+        assertEquals(40.0, Area.surfaceAreaPyramid(4, 3));
+    }
+
     @Test
     void testSurfaceAreaSphere() {
         assertEquals(12.566370614359172, Area.surfaceAreaSphere(1));
@@ -81,6 +86,10 @@ void testAllIllegalInput() {
                 -> assertThrows(IllegalArgumentException.class, () -> Area.surfaceAreaCuboid(1, 0, 2)),
             ()
                 -> assertThrows(IllegalArgumentException.class, () -> Area.surfaceAreaCuboid(1, 2, 0)),
+            ()
+                -> assertThrows(IllegalArgumentException.class, () -> Area.surfaceAreaPyramid(0, 1)),
+            ()
+                -> assertThrows(IllegalArgumentException.class, () -> Area.surfaceAreaPyramid(1, 0)),
             ()
                 -> assertThrows(IllegalArgumentException.class, () -> Area.surfaceAreaSphere(0)),
             ()