commit

Author: MaksimStroikin

src/main/java/com/thealgorithms/maths/Area.java

@@ -1,3 +1,5 @@
+
+
 package com.thealgorithms.maths;
 
 /**
@@ -129,6 +131,26 @@ public static double surfaceAreaParallelogram(final double base, final double he
         return base * height;
     }
 
+/**
+* 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 trapezium.
      *