(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
Correct Answer: B
Solution :
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