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| Q.17 | Which of the following is NOT a check on closed traverse in surveying? | |
| Ans | A. The sum of the measured exterior angles should be equal to (2N + 4) × 90°. | |
| B. The algebraic sum of the deflection angles should be equal to 180°. | ||
| C. The algebraic sum of the deflection angles should be equal to 360°. | ||
| D. The sum of the measured interior angles should be equal to (2N – 4) × 90°, where N is the number of sides of the traverse. |
Correct Ans Provided: B
