Answer:
y = 116
Step-by-step explanation:
The central angle is double any inscribed angle that intercepts the same arc.
Inscribed angle HGF intercepts arc HF, so central angle HOF will be double the value of HGF.
2×58° = 116° = y°
the first one: 24.8
the second one: 2012
it has one root x=2/5
