1 Answer

There is a wellknown theorem that the angle between two secants is half the difference between the intercepted arcs. In this case
m<DFH = 1/2 (m arc DH  m arc EG)
= 1/2 (133  47)
= 1/2 (86)
= 43
So the answer is C. 43
There is a wellknown theorem that the angle between two secants is half the difference between the intercepted arcs. In this case
m<DFH = 1/2 (m arc DH  m arc EG)
= 1/2 (133  47)
= 1/2 (86)
= 43
So the answer is C. 43