Medals**
What is the exact area of a circle with a radius of 31 cm? *The answers may come in handy, I've been tryna solve this, but I haven't got the exact answer.
A. 15.5 PI cm2
B. 31 PI cm2
C. 961 PI cm2
D. 240.25 PI cm2

Question

Medals**
What is the exact area of a circle with a radius of 31  cm? *The answers may come in handy, I've been tryna solve this, but I haven't got the exact answer. 
A. 15.5 PI cm2
B. 31 PI cm2
C. 961 PI cm2
D. 240.25 PI cm2

okkaaayyyy · Answer

it will be b! the area is radius multiplied by pi.

mathstudent55 · Answer

Area of circle = square of radius times pi

$\Large A_{circle} = \pi r^2$

$\Large A_{circle} = \pi (31~cm)^2$

What is $31^2$ ?