From d2f6c1927f94227322f5f3b398727593361cef14 Mon Sep 17 00:00:00 2001 From: Zohair-Salman Date: Tue, 21 Oct 2025 13:02:01 -0400 Subject: [PATCH 1/3] Added surface area calculation for pyramid --- .../java/com/thealgorithms/maths/Area.java | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/src/main/java/com/thealgorithms/maths/Area.java b/src/main/java/com/thealgorithms/maths/Area.java index 7a06fd5e5fa0..ff831f3898c1 100644 --- a/src/main/java/com/thealgorithms/maths/Area.java +++ b/src/main/java/com/thealgorithms/maths/Area.java @@ -192,4 +192,24 @@ 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; +} + } From 498992466006ec5f4409c198e6a2460dda9cc08d Mon Sep 17 00:00:00 2001 From: Zohair-Salman Date: Tue, 21 Oct 2025 13:09:04 -0400 Subject: [PATCH 2/3] Added surface area calculation for pyramid --- src/main/java/com/thealgorithms/maths/Area.java | 1 + 1 file changed, 1 insertion(+) diff --git a/src/main/java/com/thealgorithms/maths/Area.java b/src/main/java/com/thealgorithms/maths/Area.java index ff831f3898c1..cdb7cfe2ba7a 100644 --- a/src/main/java/com/thealgorithms/maths/Area.java +++ b/src/main/java/com/thealgorithms/maths/Area.java @@ -210,6 +210,7 @@ public static double surfaceAreaPyramid(final double sideLength, final double sl double baseArea = sideLength * sideLength; double lateralSurfaceArea = 2 * sideLength * slantHeight; return baseArea + lateralSurfaceArea; + } } From c40eafac78edaa12500c1319bc39bd7076dcc9df Mon Sep 17 00:00:00 2001 From: Zohair-Salman Date: Tue, 21 Oct 2025 13:12:36 -0400 Subject: [PATCH 3/3] Added test + surface area calculation for pyramid --- src/main/java/com/thealgorithms/maths/Area.java | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/main/java/com/thealgorithms/maths/Area.java b/src/main/java/com/thealgorithms/maths/Area.java index cdb7cfe2ba7a..c78d02a8bc3f 100644 --- a/src/main/java/com/thealgorithms/maths/Area.java +++ b/src/main/java/com/thealgorithms/maths/Area.java @@ -210,7 +210,8 @@ public static double surfaceAreaPyramid(final double sideLength, final double sl double baseArea = sideLength * sideLength; double lateralSurfaceArea = 2 * sideLength * slantHeight; return baseArea + lateralSurfaceArea; - + } +//test }