From c7f7140dbacba931b4305866ed5fc561ae80119a Mon Sep 17 00:00:00 2001
From: Gabriel <gtesfaye@uoguelph.ca>
Date: Fri, 30 Oct 2026 14:21:13 -0400
Subject: [PATCH] Added surface area calculation for pyramid

---
 src/main/java/com/thealgorithms/maths/Area.java | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/main/java/com/thealgorithms/maths/Area.java b/src/main/java/com/thealgorithms/maths/Area.java
index 84fc67159379..5810f55764e1 100644
--- a/src/main/java/com/thealgorithms/maths/Area.java
+++ b/src/main/java/com/thealgorithms/maths/Area.java
@@ -112,6 +112,17 @@ public static double surfaceAreaRectangle(final double length, final double widt
      * @param height height of the cylinder.
      * @return volume of given cylinder
      */
+    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;
+}
     public static double surfaceAreaCylinder(final double radius, final double height) {
         if (radius <= 0) {
             throw new IllegalArgumentException(POSITIVE_RADIUS);