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

Answer 1

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

Answer 2

Area of circle = square of radius times pi

\(\Large A_{circle} = \pi r^2\)

\(\Large A_{circle} = \pi (31~cm)^2\)

What is \(31^2\) ?