Accenture Company Numerical Ability Geometry

A cyclic quadrilateral ABCD is such that AB=BC, AD=DC. AC is perpendicular to BD and angle CAD=θ , then find the ABC.
A)θ B)θ/2 C)2θ D)3θ

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in ADC triangle
LA + LD +LC = 180 degree
LD = 180 - 2 theta
LD + LB = 180
180 - 2 theta +LB = 180
LB = 2 theta
3 years agoHelpfull: Yes(1) No(0)

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