From 1471f5ef7eac839793f03ceb93c7911421c159fa Mon Sep 17 00:00:00 2001 From: Mateo Date: Wed, 28 Oct 2026 13:49:11 -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..e759e892887b 100644 --- a/src/main/java/com/thealgorithms/maths/Area.java +++ b/src/main/java/com/thealgorithms/maths/Area.java @@ -232,4 +232,23 @@ 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; + } }