plz explain. exact answer To find the distance across a small lake, a surveyor has taken...

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plz explain. exact answer

Answer 1

Answer #1

Que) B By cosine veule, со с. CB²+ CA ² AB2 2(LBUA Cos 40.6° 3.29²+ 2.87² AB 21 40.6 A 2.37 2 (1.1997 (2.37) AB²= = 4.46692

Answer 2

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