Answer:
A. 98
Step-by-step explanation:
Based on inscribed angle theorem, the inscribed angle (<D) is half of the angle subtended by the arc BC. That is:
m<D = ½(BC)
m<D is given as 49°
Thus,
49° = ½(BC)
Multiply both sides by 2
2(49) = BC
98° = BC
BC = 98°
