Question

At the bank of a river, by measurement,

a = 18 ft.

b = 30 ft.

c = 24 ft.

d = 14 ft.

How long is x? How long is y?

Angle --> https://media.glynlyon.com/a_matgeo_2011/5/group123.gif

The answer should be to the nearest tenth or as a fraction.

x = ? ft.

y = ? ft.

Answer 1

do u know that they are similar triangles

Answer 2

well, yes but im not sure how to set up the problem with the triangles... im pretty slow-minded when it comes to math..

Answer 3

all similar triangles have angles that 180 degrees when added to together.

Answer 4

now in the problem let's take this on triangle at time, let's start with first one

Answer 5

let's do the first triangle, in the first triangle we a right angle which is 90 degrees, now given the info from the problem we can now solve this by thinking about sin, cos , tan here.

Answer 6

hey you here or what??

Answer 7

okay when ready plz reply .

Answer 8

lol im sorry i was at an appt haha i just got back

Answer 9

hey want some help??

Answer 10

yes lolz we seem to be missing each other lol

Answer 11

tag your it lol

Answer 12

lolz okay :P we finally caught up huh

Answer 13

cheer cheer clap!! :)

Answer 14

so can u help me please? lol

Answer 15

yes I can I want to know what you know already, this is so I don't repeat stuff that you can already.

Answer 16

for this problem.

Answer 17

this is trig right??

Answer 18

yes sorry my connection sucks so it takes forever to reply

Answer 19

okay no prob. you have all you need to do this problem, notice on the choices give they refer to to the triangles listed on the picture so now what we have to is look at if we use sin,cos or tan in these cases to solve

Answer 20

so should i use the sine table for this problem?

Answer 21

yes sin would be a good choice in this case.

Answer 22

k i have a chart...
https://media.glynlyon.com/a_matgeo_2011/5/groupi94.gif

Answer 23

so should i look for the tan numbers for each other numbers given

Answer 24

you can but in keep in mind what you are being asked for here.

Answer 25

do the top first triangle only, than we will worry about the bottom within this problem

Answer 26

i forgot about the angle.. that kinda looks like c = a * b

Answer 27

because we similar triangle here what do we know already about this?

Answer 28

the c=a times b is right

Answer 29

did you get it?

Answer 30

i hate this computer -.- yes i got it thanks :)

Answer 31

welcome any questions or are you fine now?

Answer 32

i think i got it for now lolz thanks a bunch :D

Answer 33

great have a great night :)

Answer 34

u too