From 809db9dfbf5231dcbbf303450fd8f54719be2d65 Mon Sep 17 00:00:00 2001 From: Daniel Patino Date: Tue, 21 Oct 2025 12:56:06 -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..1a0b6cebfcdf 100644 --- a/src/main/java/com/thealgorithms/maths/Area.java +++ b/src/main/java/com/thealgorithms/maths/Area.java @@ -1,4 +1,22 @@ package com.thealgorithms.maths; +/** +* 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; +} /** * Find the area of various geometric shapes