Im pretty sure that the answer to that is 5-9m+n
Answer: 263.8m2
Step-by-step explanation:
Formula: S.A=Pi x radius2 + Pi x radius x slant height
Check the picture below. So the ellipse looks more or less like so.
since the major axis is over the x-axis, is a horizontal ellipse, notice the "a" component length and the value for "c".

5x + 3

23
5x

20
x

4
So it can be {4, 8, 12}
If this helps, can you give me the brainliest answer? I need it...
Thank you very much.