From d6250d29c5fffa9d0e66ed3c2737541b91324134 Mon Sep 17 00:00:00 2001
From: FruitiousPotato <197135458+FruitiousPotato@users.noreply.github.com>
Date: Thu, 29 Oct 2026 15:46:50 -0400
Subject: [PATCH] Added surface area calculation for pyramid

---
 .../maths/SurfaceAreaOfPyramid.java           | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 src/main/java/com/thealgorithms/maths/SurfaceAreaOfPyramid.java

diff --git a/src/main/java/com/thealgorithms/maths/SurfaceAreaOfPyramid.java b/src/main/java/com/thealgorithms/maths/SurfaceAreaOfPyramid.java
new file mode 100644
index 000000000000..386a8b314d8a
--- /dev/null
+++ b/src/main/java/com/thealgorithms/maths/SurfaceAreaOfPyramid.java
@@ -0,0 +1,20 @@
+/**
+* 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;
+}public static