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Updated surface area calculation error #7713

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Updated surface area calculation error #7713

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4 changes: 2 additions & 2 deletions src/main/java/com/thealgorithms/maths/Area.java
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Original file line number Diff line number Diff line change
Expand Up @@ -78,10 +78,10 @@ public static double surfaceAreaSphere(final double radius) {
*/
public static double surfaceAreaPyramid(final double sideLength, final double slantHeight) {
if (sideLength <= 0) {
throw new IllegalArgumentException("");
throw new IllegalArgumentException("Must be a positive sideLength");
}
if (slantHeight <= 0) {
throw new IllegalArgumentException("slant height must be greater than 0");
throw new IllegalArgumentException("Must be a positive slantHeight");
}
double baseArea = sideLength * sideLength;
double lateralSurfaceArea = 2 * sideLength * slantHeight;
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