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 2 years ago
An engineer wanted to approximate the width, in feet of a river. she placed markers at point A and point B to represent the average width of the river. She also placed 3 other markers along the riverbank and measured the distances shown in the diagram below.
Based on this diagram, what was the width of the river, in feet, from point A to point B?
 2 years ago
An engineer wanted to approximate the width, in feet of a river. she placed markers at point A and point B to represent the average width of the river. She also placed 3 other markers along the riverbank and measured the distances shown in the diagram below. Based on this diagram, what was the width of the river, in feet, from point A to point B?

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atlas
 2 years ago
Best ResponseYou've already chosen the best response.0Use similarity of triangles

atlas
 2 years ago
Best ResponseYou've already chosen the best response.0The two triangles that u see are similar and hence their corresponding sides will have the same ration

Asivrs
 2 years ago
Best ResponseYou've already chosen the best response.0so..i should put 62 over 93 and 49 over X?

Asivrs
 2 years ago
Best ResponseYou've already chosen the best response.0find the ratio after that then... times it by 2?

atlas
 2 years ago
Best ResponseYou've already chosen the best response.0Label the two triangles and see which angles are equal................The sides corresponding to equal angles are proportionaldw:1337277341870:dw here AB:AC = BE:CD

atlas
 2 years ago
Best ResponseYou've already chosen the best response.0You do not know AB............So let it be x

Asivrs
 2 years ago
Best ResponseYou've already chosen the best response.0but you dont know AD either.. right?

atlas
 2 years ago
Best ResponseYou've already chosen the best response.0U do not need AD................The equation AB:AC = BE:CD can be written as x/(x+49)= 62/93 Solve for x (Remember x = AB)

Asivrs
 2 years ago
Best ResponseYou've already chosen the best response.0\[\left[\begin{matrix}x & 62\\ x+49 & 93\end{matrix}\right]\]

Asivrs
 2 years ago
Best ResponseYou've already chosen the best response.0like okay.. x + 49 = AC,, so... ugh sorry i dont get math easily

Asivrs
 2 years ago
Best ResponseYou've already chosen the best response.0is there like a formula you can give me to help me out? i know if i see what i need to do i'll understand.
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