im bad at angles pls help lol

n<DEH =
Exact form:
x = 29/2
Decimal form:
x = 14.5
Mixed number form:
x = 14 1/2
Total:
(12x+6) = 180
n<HEG =
Exact form:
x = 179/7
Decimal form:
x = 25.57142857
Mixed number form:
x = 25 4/7
Total:
(7x+1) = 180
n<GEF =
Exact form:
x = 91/3
Decimal form:
x = 30.3
Mixed number form:
x = 30 1/3
Total:
(6x-2) = 180
Answer:
DEH:; 90. HEG, 50. GEF:; 40.
Step-by-step explanation:
x = 7
DEH. (12x + 6)
(12 x 7) + 6 = 90.
HEG. (7x + 1)
(7 x 7) + 1 = 50.
GEF. (6x - 2)
(6 x 7) - 2 = 40
Hope this helps!