In the adjoining figure, lines AB and CD intersect at a point O. The sides CA and OB have been produced to E and F respectively such that ∠OAE = ° and ∠OAE = °. If ∠OCA = 80°, ∠COA = 40° and ∠BDO = 70°, then ° + ° = ?
(a) 190° (b) 230° (c) 210° (d) 270°
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In the adjoining figure the radius of a circle with centre C is 6 cm, line AB is a tangent ... ∠CAB = 90º (Tangent at any point of a circle is perpendicular to the radius thought ... ∠ACB = ∠ABC (Equal sides have equal angles opposite to them) ... seg AP || seg BQ (If a transversal intersect two lines such that a pair of alternate
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120° + 110° = 230°
Option B Is correct
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