To set out a parallel from a given inccessible point to a given line AB, the following observations and made Distance AB and angle PAM = a and angle PBA = b are measured where Mis a point on the line BA produced. The perpendicular to the desired parallel line from A and B are :

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1.	To set out a parallel from a given inccessible point to a given line AB, the following observations and made Distance AB and angle PAM = a and angle PBA = b are measured where Mis a point on the line BA produced. The perpendicular to the desired parallel line from A and B are :
A.	<img src="/_files/images/civil-engineering/surveying/77-3.361-1.png">
B.	<img src="/_files/images/civil-engineering/surveying/77-3.361-2.png">
C.	<img src="/_files/images/civil-engineering/surveying/77-3.361-3.png">
D.	<img src="/_files/images/civil-engineering/surveying/77-3.361-4.png">
Answer» B. <img src="/_files/images/civil-engineering/surveying/77-3.361-2.png">

To set out a parallel from a given inccessible point to a given line AB, the following observations and made Distance AB and angle PAM = a and angle PBA = b are measured where Mis a point on the line BA produced. The perpendicular to the desired parallel line from A and B are :

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