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Chords 'AB' and 'CD' of a circle meet at...

Chords 'AB' and 'CD' of a circle meet at a point P inside the circle: If the lines AC and DB are extended tomeet at point Q outside the circle.
If '/_ A C D=55^circ , /_ A Q D=30^circ', find
'/_ C A B , /_ C D B, /_ A B Q' and '/_ A P C' :
'(##VPU_TTT_MAT_X_P01_C02_E04_010_Q01##)'

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