It’s a pentagon (5 sides) . (n-2) x 180°. if you put it into the formula and do the reverse. 540 / 180 = 3
, 3+2 = 5
Try subtracting first there were 10 then four were sold I don't know what happens after but thats what I know
Answer:
x^2 +6x-27
Step-by-step explanation:
O to the power of 2 i think