\[\overrightarrow{\text{BA}}\bot \overleftrightarrow{\text{XY}}\] Which of the following statements are incorrect?(i) \[\angle ABX+\angle ABY=180{}^\circ \](ii) \[\angle ABX=2\text{ right angles}\](iii) \[\angle \text{ABY=90 }\!\!{}^\circ\!\!\text{ }\](iv) \[\angle \text{XBY=90 }\!\!{}^\circ\!\!\text{ }\]

\[\overrightarrow{\text{BA}}\bot \overleftrightarrow{\text{XY}}\] Whic

1.	\[\overrightarrow{\text{BA}}\bot \overleftrightarrow{\text{XY}}\] Which of the following statements are incorrect?(i) \[\angle ABX+\angle ABY=180{}^\circ \](ii) \[\angle ABX=2\text{ right angles}\](iii) \[\angle \text{ABY=90 }\!\!{}^\circ\!\!\text{ }\](iv) \[\angle \text{XBY=90 }\!\!{}^\circ\!\!\text{ }\]
A.	(i) and (ii) only
B.	(ii) and (iv) only
C.	(ii) and (iii) only
D.	(i) and (iv) only
Answer» C. (ii) and (iii) only