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Q: In geodetic surveying, sum of angles (degree) of a spherical triangle should not be greater than .........
  • A. 180
  • B. 270
  • C. 360
  • D. 540
Correct Answer: Option D - In plane surveying – Plane triangles are used and the sum of angles are not greater than 180⁰. In Geodetic surveying – Spherical triangle are used and the sum of angles varies in between 180⁰ to 540⁰.
D. In plane surveying – Plane triangles are used and the sum of angles are not greater than 180⁰. In Geodetic surveying – Spherical triangle are used and the sum of angles varies in between 180⁰ to 540⁰.

Explanations:

In plane surveying – Plane triangles are used and the sum of angles are not greater than 180⁰. In Geodetic surveying – Spherical triangle are used and the sum of angles varies in between 180⁰ to 540⁰.