The answer is the third one aka C.
There must not be two points on the same y-axis because that doesn't make a function but a relation instead.
C. doesn't have 2 points on same y-axis and therefore the third picture is the relation that's a function.
Use the following formula:
![A=2\pi rh+2\pi r^{2}](https://tex.z-dn.net/?f=A%3D2%5Cpi%20rh%2B2%5Cpi%20r%5E%7B2%7D)
Take the value of
as 3.14 and add the values in the formula:
![A=2(3.14)(2)(6)+2(3.14)(2)^{2}](https://tex.z-dn.net/?f=A%3D2%283.14%29%282%29%286%29%2B2%283.14%29%282%29%5E%7B2%7D)
![A=75.36+25.12](https://tex.z-dn.net/?f=A%3D75.36%2B25.12)
![A=100.48](https://tex.z-dn.net/?f=A%3D100.48)
I hope this helped :)
Answer:
m = 18/23
Step-by-step explanation:
![23m=18\\\\\frac{23m=18}{23}\\\\ m=0.78260869565...\\\\\text{Exact Answer:}\\\\m=\frac{18}{23}\\\\](https://tex.z-dn.net/?f=23m%3D18%5C%5C%5C%5C%5Cfrac%7B23m%3D18%7D%7B23%7D%5C%5C%5C%5C%20m%3D0.78260869565...%5C%5C%5C%5C%5Ctext%7BExact%20Answer%3A%7D%5C%5C%5C%5Cm%3D%5Cfrac%7B18%7D%7B23%7D%5C%5C%5C%5C)
Hope this helps.
Answer:
2) 90-62=28°
3) 180-108=72°
4) 180-89=91°
please mark as brainliest