# Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.1 - Page 20: 158

$\gt$

#### Work Step by Step

We know $\pi$ = 3.141592654 so -$\frac{3.14}{2}$ $\gt$ -$\frac{3.141592654 }{2}$ -$\frac{3.14}{2}$ $\gt$ -$\frac{\pi}{2}$

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