# Civil Engineering - Surveying - Discussion

Discussion Forum : Surveying - Section 7 (Q.No. 46)

46.

If deflection angles are measured in a closed traverse, the difference between the sum of the right-hand and that of the left hand angles should be equal to

Discussion:

11 comments Page 1 of 2.
Pkumar said:
2 years ago

In theodolite surveying, measurement of deflection angle between 0° - 180° but in closed traversing sum of all deflection angles = 360°.

(4)

Zakir Hussain said:
3 years ago

In the Clockwise direction, the summation of deflection angles gives the sum of exterior angles and in an anti-clockwise direction, interior angles.

So, the difference comes out to be 360°.

Sum of exterior angles-sum of interior angles of any closed traverse=360°.

So, the difference comes out to be 360°.

Sum of exterior angles-sum of interior angles of any closed traverse=360°.

Atta ur rahman said:
3 years ago

The summation is 0 and the difference is 360. We consider left-hand angles as negative and right-hand angles as positive.

So, obviously, their algebraic summation is 0 and their algebraic difference is 360.

So, obviously, their algebraic summation is 0 and their algebraic difference is 360.

(2)

Dani 273 said:
3 years ago

I think 180° is correct.

Prince said:
3 years ago

@Deepanshu,

Isn't it a summation but here they are asking difference, please explain?

Isn't it a summation but here they are asking difference, please explain?

Madhu said:
4 years ago

What is the open traverse of deflection angle?

(1)

Deepanshu said:
5 years ago

In closed traverse, the summation of all deflection angle is 360 degree.

Ashu said:
5 years ago

180 left hand + 180 on right hand = 360°.

Yeshay said:
7 years ago

How explain?

Kunti said:
7 years ago

360°-0°=360°.

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