How many faces does a french cross staff has?

By Aina Parasher|Updated : July 15th, 2022

How many faces does a french cross staff has-

  1. 4 faces
  2. 5 faces
  3. 6 faces
  4. 8 faces

Answer: D. 8 faces

A french cross staff has 8 faces.

Solution

Cross staff: Cross staff is an instrument, which is used to measure the angle of elevation and it consists of a calibrated staff along with a perpendicular staff sliding onto it.

Cross staff can be classified into three types;

  • Open cross-staff
  • French cross-staff
  • Adjustable cross-staff

French cross staff: French cross staff is an instrument which is used to set out an angle of 45o or 90o. It consists of eight octagonal tubes with slits on each eight face.

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