It should be 78.54.
Double check that.
Formula: V=πr2h/3
r2 is R squared
The solution is (6, -8) (solved by graphing with Desmos.com/calculator)
GOING ACROSS
First: 2/4
Second: 5/6
Third: 5/6
Fourth: 2/4
Fifth: other
Midpoint coordinates are ( - 2 + 2) / 2 , (-1+3) / 2
= (0,1) Answer
I think it’s a heptagon sorry if it’s wrong
