Answer: 31/35
Step-by-step explanation:
C. Bc it is the only one that makes sense
The complete question in the attached figure
we know that
the triangle ACB is an isosceles triangle
AC=AB----------> equals to the radius
so
∡ACB=∡CBA
the angle ∡CAB is equals to 54° by central angle
so
180°=54°+2*∡CBA--------> ∡CBA=[180-54]/2-----> 63°
∡CBA=63°
∡DBC=∡CBA-----------> ∡DBC=63°
the answer is∡DBC=63°
I cant see numbers 2 & 3 im sorry
1. 5 7/30
4. 5 3/4