diff --git a/src/main/java/com/thealgorithms/maths/Area.java b/src/main/java/com/thealgorithms/maths/Area.java index 7a06fd5e5fa0..a22653a8154a 100644 --- a/src/main/java/com/thealgorithms/maths/Area.java +++ b/src/main/java/com/thealgorithms/maths/Area.java @@ -175,6 +175,26 @@ public static double surfaceAreaHemisphere(final double radius) { } return 3 * 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 surface area of a cone.