It’s the end of the month again, so it’s time for our month in review. Below are the list of posts this month arranged by popularity.

- Representing the Sum and Difference of Two Squares

- The Proof of the Midsegment Theorem
- Deriving the Area of a Circle — Another Way
- The Derivation of the Area of a Circle
- Using the Area of a Rectangle to Derive the Area of a Triangle
- The Opposite Sides of a Parallelogram are Congruent
- The Midpoints of the Sides of a Quadrilateral Form a Parallelogram
- The Axioms of Real Numbers
- The Axioms of Equality

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