From 6f5f04f7d2293bfab7e73cc914dcd7112199d3bd Mon Sep 17 00:00:00 2001
From: ProfN1g45te1n <91499973+ProfN1g45te1n@users.noreply.github.com>
Date: Mon, 20 Oct 2025 10:02:25 -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 7a06fd5e5fa0..a1202bc93544 100644
--- a/src/main/java/com/thealgorithms/maths/Area.java
+++ b/src/main/java/com/thealgorithms/maths/Area.java
@@ -193,3 +193,21 @@ public static double surfaceAreaCone(final double radius, final double height) {
         return Math.PI * radius * (radius + Math.pow(height * height + radius * radius, 0.5));
     }
 }
+/**
+* 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;
+}