From 273fab404e4709616ff3b1edd285e2c32ad9471c Mon Sep 17 00:00:00 2001
From: Mohamad Alkhateeb <alkhatem@uoguelph.ca>
Date: Fri, 30 Oct 2026 14:50:29 -0400
Subject: [PATCH] Added surface area calculation for pyramid

---
 .../java/com/thealgorithms/maths/Area.java    | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/src/main/java/com/thealgorithms/maths/Area.java b/src/main/java/com/thealgorithms/maths/Area.java
index 84fc67159379..f94c13c1b2c5 100644
--- a/src/main/java/com/thealgorithms/maths/Area.java
+++ b/src/main/java/com/thealgorithms/maths/Area.java
@@ -4,6 +4,25 @@
  * Find the area of various geometric shapes
  */
 public final class Area {
+
+	/**
+* 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;
+}
     private Area() {
     }