## Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

$\gt$
Think of points on the number line, with the given coordinates. If point $B$ lies to the right of point $A$ on the number line, then $B \gt A$. Note that $\pi\approx 3.141592....$ Thus, since $\pi$ lies to the right of $3.14$, then $\pi \gt 3.14$.