A circular railroad sign has a diameter of 20 inches. what is the area of the sign in square inches

Question

asked Nov 13, 2022 185k views

1 Answer

Adeynack · Answer 1 · 2022-11-19T22:44:46+0000

Answer:

100
$\pi$ (or about 314)

Explanation:

So it's a circle, meaning that the formula for area is
$\pi r^(2)$ . r= diameter divided by 2, so r=10. plug into equation and you get 100
$\pi$ .

314 is when you round pi to 3.14 and multiply by 100.