diff --git a/src/main/java/com/thealgorithms/maths/Area.java b/src/main/java/com/thealgorithms/maths/Area.java index 84fc67159379..cb5fac6122a3 100644 --- a/src/main/java/com/thealgorithms/maths/Area.java +++ b/src/main/java/com/thealgorithms/maths/Area.java @@ -76,6 +76,7 @@ public static double surfaceAreaSphere(final double radius) { * @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(""); @@ -87,6 +88,7 @@ public static double surfaceAreaPyramid(final double sideLength, final double sl double lateralSurfaceArea = 2 * sideLength * slantHeight; return baseArea + lateralSurfaceArea; } + */ /** * Calculate the area of a rectangle. @@ -232,4 +234,23 @@ 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 + * @param slantHeight + * @return surface area of the 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; + } }