What is the back azimuth of 123°15\'23\"? Given the following: Azimuth AB = 100°

Question

What is the back azimuth of 123°15'23"?

Given the following:

Azimuth AB = 100°30'20"

At B, I backsight A

I turn an angle right 45°00'00" to C

What is the Azimuth from B to C

QUESTION 1 10 points Save Answer Given the following: · Azimuth AB 100°30'20" .At B, I backsight A I turn an angle right 45°00'00" to C What is the Azimuth from B to C a. 145 30'20" O b. 325 30'20" c. 180°3020" d. 55o30'20" O d. QUESTION 2 10 points Save Answer What is the back azimuth of 123 15'23" O a. 303°15'23" Ob. -56 44 37 O c. 33 15'23 d.213 15'23"

Explanation / Answer

1)back azimuth of 123°15'23"= 123°15'23"+ 180°= 303°15'23"= 360°-303°15'23"=-56°44'37"

2)back azimuth of AB= 100°30'20"+180°=290°30'20"

45° right of B to C means azimuth BC= 290°30'20"+45°= 325°30'20".

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