It’s the end of the month again — time flies fast indeed. I’m on my way to a 1-week vacation, but before I leave for the airport, let us take a look at the posts for this month.
Month in Review – April 2013
- The Closure Property of Positive Real Numbers Under Addition
- Proving the Perpendicular Bisector Theorem Using SAS Congruence
- Proving The Perpendicular Bisector Theorem by Reflection
- The Reflection Postulate
- Linking Triangle Angle Sum and Inscribed Angle Theorems
- The Properties of Reflection
- Proof that -(a + b) = (-a) + (-b)
- Proof that (-a)(-b) = ab
- The Product of Negative Number and a Positive Number is Negative
- Proof that the Product of Any Number and Zero is Zero
- The Proof of the Cancellation Law of Addition
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