# Happy Pi Day!

$\dpi{1200} \pi$Today March 14th is the “pi” day. Why is it called the pi day? It’s March 14 or 3/14 or 3.14 is roughly equivalent to the value of Pi. Meanwhile here is a quick practice question to celebrate the pi day.

## Question of the Day

The radius of circle is 2.

 Quantity A Quantity B 3