Question
Download Solution PDFThe true length of a line is 200 m. When this is measured with a 20 m tape, the length is 200.80 m. The correct length of the 20 m tape is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
\(l=({L\over L'})\times l'\)
Where \(l\) = True length of tape
\(l'\) = Designated but wrong length of tape
L = True length of line
L' = Measured length of line
Given:
True length of a line (L) = 200 m
Measured length of line (L') = 200.80 m
Designated length of tape (\(l'\)) = 20 m
Correct length of tape(\(l\)) =?
Solution:
\(l=({200\over 200.8})\times 20\)
\(l=19.92\, m\)
The correct length of tape (\(l\)) is 19.92 m.
Last updated on Mar 4, 2025
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