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Mathematics 10 Online
OpenStudy (anonymous):

Please Help ASAP!

OpenStudy (anonymous):

OpenStudy (anonymous):

hey @austinL , can you help?

OpenStudy (austinl):

I am thinking lol, trying to figure this out. Been a while since I've done a problem like this.

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

@J-Cross18 help??

OpenStudy (austinl):

Are they congruent triangles you think?

OpenStudy (anonymous):

some of the lines are congruent, but I don't think the triangles are congruent..

OpenStudy (austinl):

Well... if we proceed that they would be congruent and the ratio is 2:1 that would mean that 16 is twice the value with x.

OpenStudy (anonymous):

i'm confusedd

OpenStudy (anonymous):

@austinL

OpenStudy (austinl):

If you say the triangles are congruent, then the big one is twice the size of the little one. And that means that \(2(2x-6)=16\) Solve for x. Try that and see! :D

OpenStudy (anonymous):

k, one sec

OpenStudy (anonymous):

wait, so x=16?

OpenStudy (anonymous):

@austinL

OpenStudy (austinl):

That is not the answer that I get. Divide each side by two. Add six. divide by 2.

OpenStudy (anonymous):

7?

OpenStudy (austinl):

That is what I got, I would think that, that would be the answer.

OpenStudy (anonymous):

okay, thanks. can you help me with 1 more/

OpenStudy (austinl):

Sure why not :)

OpenStudy (anonymous):

okay hole on one sec

OpenStudy (anonymous):

Given triangle ABC with A(-4,-2), B(4,4) C(18,-8). Write the equation of the line containing the altitude that passes through B in standard form @austinL

OpenStudy (anonymous):

@austinL ??

OpenStudy (austinl):

I think I know how to do this.... but it will take me a minute to try and explain it.

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