1/6 × 180°
30°
the answer is 30°
1, 4, 9, 16, 25, 36, 49…
And now find the difference between consecutive squares:
1 to 4 = 3
4 to 9 = 5
9 to 16 = 7
16 to 25 = 9
25 to 36 = 11
…
Hope this helps! :D
What I did was 27.99-21.59 which equals 6.40 and then times that by 12 which brings you to 76.80