Question

having trouble finding the answer. i don't really know how pi works.

Answer 1

The number pi is approximately equal to 3.14. Therefore:

$\begin{gathered} 3*3.14-1>9 \\ 8.42>9 \end{gathered}$

A is false.

Second.

$\begin{gathered} 7*3.14>21 \\ 21.98>21 \end{gathered}$

B) is true.

Third:

$\begin{gathered} 3.14+4<7 \\ 7.14<7 \end{gathered}$

C is false.

Finally:

$\begin{gathered} \frac{12}{4*3.14}>1 \\ \frac{3}{3.14}>1 \\ 0.96>1 \end{gathered}$

D is false.

Answer: The inequality that is true is B).