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GATE 2019 CE (CE2) – Question 32

Geomatics Engineering · Distance and angle measurement, levelling, traversing, triangulation, total station · 1 mark · Numerical answer

A clockwise closed traverse PQRS has included angles PQ: 88°, QR: 92°, RS: 94°, SP: 89°. Find its angular closing error (degrees).

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Correct answer: 3 to 3

Explanation

Measured angle sum is $88+92+94+89=363^\circ$. A closed quadrilateral requires $(4-2)180^\circ=360^\circ$. Closing-error magnitude is **3°**.