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Mathematics 15 Online
OpenStudy (anonymous):

Please help with this math question!

OpenStudy (anonymous):

OpenStudy (anonymous):

I think its 11 or 12....

OpenStudy (anonymous):

This is almost exactly like the other one. Why not spend 5 minutes studying the concept of similar triangles, then you can solve all such problems easily. Do you know about similar triangles?

OpenStudy (anonymous):

I can go through it if you like.

OpenStudy (ash2326):

@Nimwhitted @telliott99 is right, understand the concepts and then you'd be able to do every question

OpenStudy (anonymous):

I kind of get them but i dont really get this one, i think its 11 or 12

OpenStudy (ash2326):

ok, i'll help you with this

OpenStudy (anonymous):

ok

OpenStudy (ash2326):

The triangle made by market, school and church is similar to the triangle made by market, town 1 and town 2. Do you agree with this?

OpenStudy (anonymous):

yes

OpenStudy (ash2326):

let the distance between town 1 and school be x, can you write the ratio, which we could use to find x?

OpenStudy (anonymous):

1:x 6:1 ??

OpenStudy (anonymous):

that cant be right

OpenStudy (ash2326):

use corresponding sides to find ratio. One such pair is 1 and 6

OpenStudy (ash2326):

what do you get?

OpenStudy (anonymous):

6?

OpenStudy (anonymous):

so 12?

OpenStudy (ash2326):

5 is corresponding to 5+x 1 is corresponding to 6 so \[\frac 1 6 =\frac{5}{5+x}\] I think you can do now!, can't you? :)

OpenStudy (anonymous):

Oh so its 30!?

OpenStudy (anonymous):

@ash2326

OpenStudy (anonymous):

Because 1/6 = 5/30

OpenStudy (ash2326):

30 is distance between market and town 1. We need to find distance between school and town 1 which is x

OpenStudy (anonymous):

so 25

OpenStudy (anonymous):

25+5 = 30

OpenStudy (anonymous):

@ash2326

OpenStudy (ash2326):

which one is your answer for distance between school and town 1?

OpenStudy (anonymous):

25?

OpenStudy (ash2326):

did you understand this? read my posts again

OpenStudy (anonymous):

I think so? wouldent it be 25 because 30 is from market and twon 1 and we only need to find town 1 to school so 30 - 5 would be 25, so is that the answer???

OpenStudy (anonymous):

@ash2326

OpenStudy (ash2326):

good @Nimwhitted :D

OpenStudy (anonymous):

yay finally! haah

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