# Why Does Each Letter In A Polygon's Name Can Only Be Used Once?

**Answer:**

This question is answered here and here. Once around the polygon and you have defined it.

Resolved Questions:

**Can You Help Me Slove This,8x^2 - 200y^2 Factor Completely**

Result of factoring out a GCF before taking the resulting polynomial and factoring it again 8x^2 - 200y^2 =8(x^2-25y^2) =8(x-5y)(x+5y)

**What Is The Product Of Two Slopes When They Are At 90 Degree Tho Each...**

What is the product? By definition, perpendicular lines always intersect at 90 degree so the product of their slopes m1 * m2 = -1. Where m1 = slope of first column m2 = slope of second line

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