## suzy4321 Group Title Area of a circle = p · r2 i know r is for radius but p stands for what when your solving 40/360 or 1/9 of the area. I know radius is 2 so it be P times 2^2 but what number is P 2 years ago 2 years ago

1. y2o2 Group Title

$\huge p = \pi \approx 3.14$

2. y2o2 Group Title

it's called pi , and it's a very important mathematical constant

3. suzy4321 Group Title

oh pie yeah i was confused with perimeter