[zushiEdu]

Updated surface area calculation for Pyramid to return more specific error messages.

• I have read CONTRIBUTING.md.
• This pull request is all my own work -- I have not plagiarized it.
• All filenames are in PascalCase.
• All functions and variable names follow Java naming conventions.
• All new algorithms have a URL in their comments that points to Wikipedia or other similar explanations.
• All new algorithms include a corresponding test class that validates their functionality.
• All new code is formatted with clang-format -i --style=file path/to/your/file.java

[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 82.22%. Comparing base (410f087) to head (f690195).

Files with missing lines	Patch %	Lines
src/main/java/com/thealgorithms/maths/Area.java	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #7713   +/-   ##
=========================================
  Coverage     82.22%   82.22%           
  Complexity     8402     8402           
=========================================
  Files           843      843           
  Lines         26143    26143           
  Branches       5101     5101           
=========================================
  Hits          21495    21495           
  Misses         3854     3854           
  Partials        794      794           

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