From 71c5a4cfd22fc3e6bdcd683400e36671eaf0b8bf Mon Sep 17 00:00:00 2001
From: KuroTg <122903517+KuroTg@users.noreply.github.com>
Date: Fri, 30 Oct 2026 13:34:42 -0400
Subject: [PATCH] Added surface area calculation for pyramid

---
 .../java/com/thealgorithms/maths/Area.java     | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/main/java/com/thealgorithms/maths/Area.java b/src/main/java/com/thealgorithms/maths/Area.java
index 84fc67159379..cc35f3009586 100644
--- a/src/main/java/com/thealgorithms/maths/Area.java
+++ b/src/main/java/com/thealgorithms/maths/Area.java
@@ -202,6 +202,24 @@ public static double surfaceAreaCircle(final double radius) {
         }
         return Math.PI * radius * radius;
     }
+/**
+* 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 surface area of a hemisphere.