The total number of degrees, d, in an n-sided polygon is given by the formula when janelle solves for n, she gets. Sophie solved the same equation for n and got an equivalent equation. Which of the following could be sophie’s equation?.

1. c

2. g

3. c

4. h

5. a

explanation:

this is under sat questions? my answer is by walking

answer:

i havent taken the psat, but i have the sat, make sure to bring some snacks, because youre in there forever, 2 sharp number two pencils, an sat approved calculator, and maybe a jacket.   your phone and any books will be taken up, so don't try to bring them(but they will be given back at the end of the testing).   good luck!   i hope you do well!