9
230-18.84=211.16
211.16-116.22=94.94
94.94-42.13=52.81
52.81-93.17=-40.36
-40.36-50=-90.36
-90.36-13.12-50=-153.48
-153.48
If there is two answers its A. And B.
A system of equations that is infinite solutions just looks like one line because they are laying on top of one another
Circumference Formula: 2pi x r
Radius = 20.5
Plug it in:
2(3.14) x 20.5
6.28 x 20.5 = 128.74
Then, convert to pi terms.
128.74 = 41 pi
Therefore the circumference of a circle with a radius of 20.5m is 41pi.
