[JMullin-06]

Description

Adds a method to calculate the surface area of a triangular prism with a right-triangle base to the Area class.

Changes

• Added surfaceAreaTriangularPrism() to calculate the total surface area using the two perpendicular sides of the triangular base and the prism length.
• Added input validation to reject non-positive dimensions.
• Included JavaDoc documentation for the method and its parameters.
• Added correct argument exception to 'surfaceAreaPyramid()'

Formula

For perpendicular sides (a) and (b), and prism length (L):

[
SA = ab + L(a+b+\sqrt{a^2+b^2})
]

##Testing

Added a test using sides 3 and 4 and prism length 10, expecting a surface area of 132.0.
Added tests for zero and negative input values.

Checklist

• Code follows the repository's style guidelines.
• Unit tests pass.
• No unrelated changes are included.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 90.90909% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 82.22%. Comparing base (2319794) to head (4002d5a).

Files with missing lines	Patch %	Lines
src/main/java/com/thealgorithms/maths/Area.java	90.90%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #7695      +/-   ##
============================================
- Coverage     82.22%   82.22%   -0.01%     
- Complexity     8403     8405       +2     
============================================
  Files           843      843              
  Lines         26141    26151      +10     
  Branches       5100     5102       +2     
============================================
+ Hits          21495    21503       +8     
  Misses         3854     3854              
- Partials        792      794       +2     

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