To continue a survey line AB past an obstacle, a line BC 100 m long was set out perpendicular to AB and from C angles BCD and BCE were set out at 60¬¨¬®‚Äö√†√ª and 45¬¨¬®‚Äö√†√ª respectively. Determine the lengths which must be chained off along CD in order that ED may be in AB produced?$

To continue a survey line AB past an obstacle, a line BC 100 m long wa

1.	To continue a survey line AB past an obstacle, a line BC 100 m long was set out perpendicular to AB and from C angles BCD and BCE were set out at 60¬¨¬®‚Äö√†√ª and 45¬¨¬®‚Äö√†√ª respectively. Determine the lengths which must be chained off along CD in order that ED may be in AB produced?$
A.	100 m
B.	200 m
C.	300 m
D.	400 m
Answer» C. 300 m