From c807fea2d2eb44616b9432d9542aa3f465e6b52e Mon Sep 17 00:00:00 2001 From: mayashapiro19 Date: Mon, 27 Oct 2025 11:46:54 -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..0ed58a689e46 100644 --- a/src/main/java/com/thealgorithms/maths/Area.java +++ b/src/main/java/com/thealgorithms/maths/Area.java @@ -193,3 +193,22 @@ 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; +} \ No newline at end of file