From b608945662653774d0de454a48b3ebce71000609 Mon Sep 17 00:00:00 2001 From: Jamin Glass Date: Mon, 20 Oct 2025 15:10:41 -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 7a06fd5e5fa0..f77a6cd28e51 100644 --- a/src/main/java/com/thealgorithms/maths/Area.java +++ b/src/main/java/com/thealgorithms/maths/Area.java @@ -48,6 +48,25 @@ public static double surfaceAreaSphere(final double radius) { return 4 * 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 area of a rectangle. *