MCQOPTIONS
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| 1. |
Sides BA and DC of quadrilateral ABCD are extended as per diagram, then which one of the following is true? |
| A. | x + y = a + b |
| B. | x + y = a – b |
| C. | x – y = (a + b)/2 |
| D. | (x + y)/2 = a – b |
| Answer» B. x + y = a – b | |