When a hydrographic survey of a lake was made to determine the volume of water in it, contours were drawn for the water surface at depths of 3,6,9,12,15, and 20 meters below the surface. The area covered by the waterline was found to be 1,450 sq.m. Also, the areas enclosed by the contours at several depths were as follows: A3=964 sq.m; A6=789 sq.m.; A9=731 sq.m.; A12=653sq.m; A15=499 sq.m., and A20=305sq.m. How many cubic meters of water are contained above the 20-m level? Calculate the following:
When a hydrographic survey of a lake was made to determine the volume of water in it, contours were drawn for the water surface at depths of 3,6,9,12,15, and 20 meters below the surface. The area covered by the waterline was found to be 1,450 sq.m. Also, the areas enclosed by the contours at several depths were as follows: A3=964 sq.m; A6=789 sq.m.; A9=731 sq.m.; A12=653sq.m; A15=499 sq.m., and A20=305sq.m. How many cubic meters of water are contained above the 20-m level? Calculate the following:
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
When a hydrographic
it, contours were drawn for the water surface at depths of 3,6,9,12,15, and 20 meters
below the surface. The area covered by the waterline was found to be 1,450 sq.m. Also,
the areas enclosed by the contours at several depths were as follows:
A3=964 sq.m; A6=789 sq.m.; A9=731 sq.m.; A12=653sq.m; A15=499 sq.m., and A20=305sq.m.
How many cubic meters of water are contained above the 20-m level?
Calculate the following:
a)adjusted value of angle f
b)adjusted value of angle h
Transcribed Image Text:TABLE FOR THE VALUE OF INTERIOR ANGLES
NAME ANGLE
ANGLE SYMBOL
VALUE
CAB
a
33° 12'15"
ABD
62° 40'35"
DBC
41° 54'04"
ВСА
42° 11'33"
ACD
45° 30'39"
e
CDB
f
50° 22'20"
BDA
56° 00'22"
DAC
28° 05'25"
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