Question

In the figure D-B-C the angle ABD=.........​

Answer 1

Answer:

there is no form of dbc or abd

so question is may be wrong

Answer 2

Answer:

angle PRQ=180-(40+30)=180-70=110

angle PRS=180-110=70(LINEAR PAIR)

ANGLE RTS=180-(20+70)=180-90=90

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