The top of the lighthouse is observed from point M at 25.53° angle of elevation and simultaneously from point N 1720m from point A at 53.75° elevation. Find the height of the lighthouse.
The top of the lighthouse is observed from point M at 25.53° angle of elevation and simultaneously from point N 1720m from point A at 53.75° elevation. Find the height of the lighthouse.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
How can you derive this to get the answer?
Transcribed Image Text:The top of the lighthouse is observed
from point M at 25.53° angle of
elevation and simultaneously from
point N 1720m from point A at
53.75° elevation. Find the height of
the lighthouse.
Transcribed Image Text:where
h = herght of Irghthouse
%3D
80 from dragram
tars 3-75)
- x= 0-7332 h
Now,
tau@s.53)
1720 +X
0.4776
%3D
1720+0.7332h
By solvmg
ue get
h = 1264.192 m
the the Tighthouse PB 1264-192m
herght of
Hen ce
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps with 3 images
Recommended textbooks for you
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
Structural Analysis (10th Edition)
Civil Engineering
ISBN:
9780134610672
Author:
Russell C. Hibbeler
Publisher:
PEARSON
Principles of Foundation Engineering (MindTap Cou…
Civil Engineering
ISBN:
9781337705028
Author:
Braja M. Das, Nagaratnam Sivakugan
Publisher:
Cengage Learning
Fundamentals of Structural Analysis
Civil Engineering
ISBN:
9780073398006
Author:
Kenneth M. Leet Emeritus, Chia-Ming Uang, Joel Lanning
Publisher:
McGraw-Hill Education
Traffic and Highway Engineering
Civil Engineering
ISBN:
9781305156241
Author:
Garber, Nicholas J.
Publisher:
Cengage Learning