Solve the Formula for the Given Letter $R = \frac { \pi } { 2 P } \text { for } P$

Multiple Choice

Solve the formula for the given letter. $R = \frac { \pi } { 2 P } \text { for } P$

A) $P = \frac { R } { 2 \pi }$
B) $P = \frac { 2 R } { \pi }$
C) $P = \frac { \pi } { 2 R }$
D) $P = 2 \pi R$
E) $P = \frac { 2 \pi } { R }$