A) \[{{60}^{{}^\circ }}\]
B) \[{{70}^{{}^\circ }}\]
C) \[{{90}^{{}^\circ }}\]
D) \[{{75}^{{}^\circ }}\]
Correct Answer: B
Solution :
(b): \[\angle ABP=\angle CDR={{110}^{{}^\circ }}\] \[y={{70}^{{}^\circ }}\] (\[\therefore \]\[\angle CDR+\angle CDS={{180}^{{}^\circ }}\])You need to login to perform this action.
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