The tangent at a point C of a circle and diameter AB when extended int – McqOptions

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1.	The tangent at a point C of a circle and diameter AB when extended intersect at D, if ∠DCA = 110°, then ∠CBA is equal to
A.	60°
B.	70°
C.	55°
D.	110°
Answer» C. 55°

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