The angles given by the circle C,are
and
.
To find
,we need to know
.
To find
,first find 
(Apply Inscribed angle theorem)
(Substitute
)
(Multiply:
)
(Apply Angle sum theorem)
(Substitute
)
(Subtract 56 from each side)
(Simplify)
(Subtract:
)
(Substitute
)
(Divide each side by 2)
(Cancel common terms)
(Divide:
)
To find
,we need to know
.
To find
,first find 
(Apply Inscribed angle theorem)
(Substitute
)
(Multiply:
)
(Apply Angle sum theorem)
(Substitute
)
(Subtract 220 from each side)
(Simplify)
(Subtract:
)
(Substitute
)
(Divide each side by 2)

(Divide:
)
The values are
and
.