Asked by anonymous
A bridge is to be built across a small lake from a gazebo to a dock. The bearing from the gazebo to the dock is S 41° W. From a tree x = 100 meters from the gazebo, the bearings to the gazebo and the dock are S 74° E and S 28° E, respectively (see figure in the link below). Find the distance from the gazebo to the dock. (Round your answer to the nearest whole number.)
www.webassign.net/larprecalcaga5/7-1-028-alt.gif
www.webassign.net/larprecalcaga5/7-1-028-alt.gif
Answers
Answered by
anonymous
my answer is
(100sin46)/sin69 = 77.1m
is my answer correct?
(100sin46)/sin69 = 77.1m
is my answer correct?
Answered by
Damon
distance TD = 100 m
GTD = 74-28 = 46 deg
TDG = 28 + 41 = 69 deg
TGD = 180 - 74-41 = 65 deg
now is 46 + 69 + 65 = 180? Yes, remarkable we have a triangle
so
sin 46/GD = sin 65/100
GTD = 74-28 = 46 deg
TDG = 28 + 41 = 69 deg
TGD = 180 - 74-41 = 65 deg
now is 46 + 69 + 65 = 180? Yes, remarkable we have a triangle
so
sin 46/GD = sin 65/100
Answered by
Damon
I have angle at G = 65
You have 69 which I had at the dock
You have 69 which I had at the dock
Answered by
Damon
Whoops sorry I did the tree to the dock
Answered by
anonymous
sin 46/GD = sin 65/100
=(100sin46)/sin65=79.37
is this correct?
=(100sin46)/sin65=79.37
is this correct?
Answered by
anonymous
so (100sin46)/sin69 = 77.1 is correct?
Answered by
Damon
yes
I did the wrong leg
I did the wrong leg
Answered by
anonymous
hey damon thanks,
can you help me on this question:
A plane flies 505 kilometers with a bearing of 316° (clockwise from north) from Naples to Elgin. The plane then flies 770 kilometers from Elgin to Canton (see figure in the link below). Canton is due west of Naples. Find the bearing of the flight from Elgin to Canton. (Round to the nearest whole number.)
www.webassign.net/larpcalclim2/6-1-048-alt.gif
can you help me on this question:
A plane flies 505 kilometers with a bearing of 316° (clockwise from north) from Naples to Elgin. The plane then flies 770 kilometers from Elgin to Canton (see figure in the link below). Canton is due west of Naples. Find the bearing of the flight from Elgin to Canton. (Round to the nearest whole number.)
www.webassign.net/larpcalclim2/6-1-048-alt.gif
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