1.

Find the arithmetic mean if the angles and their weights were given as 20˚42ꞌ3ꞌꞌ, 20˚42ꞌ4ꞌꞌ, 20˚42ꞌ6ꞌꞌ and 2, 2, 2 respectively.

A. 20˚42ꞌ6.3ꞌꞌ
B. 20˚42ꞌ5.3ꞌꞌ
C. 20˚42ꞌ1.3ꞌꞌ
D. 20˚42ꞌ4.3ꞌꞌ
Answer» E.


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