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Mathematics 19 Online
OpenStudy (sagewilson):

Help. Question will be in a attachment below. Medal will be rewarded.

OpenStudy (sagewilson):

OpenStudy (anonymous):

Which way do you want to solve this? Trignometry or geometry?

OpenStudy (sagewilson):

geometry

OpenStudy (anonymous):

Ok, let's assume that \( RT = x\), then \(RX=\frac{1}{2}x\) right?

OpenStudy (anonymous):

Apply Pythagorean theorem, what will \(TX\) be based on x?

OpenStudy (sagewilson):

well...wouldn't it stay 6 or would it become a different number?

OpenStudy (anonymous):

No. RX will be different

OpenStudy (sagewilson):

okay, I'm kinda confused, what would it make TX?

OpenStudy (anonymous):

Ok. In the right triangle RTX, \(TX^2+RX^2=TR^2\Rightarrow TX^2=TR^2-RX^2=x^2-\large(\frac{1}{2}x) ^2 \normalsize =\large\frac{3}{4}\normalsize x^2\)

OpenStudy (anonymous):

TX = 6 -> TX^2= 6^2 = 3/4 x^2

OpenStudy (sagewilson):

just wondering how do you get 3/4 x^2 from 6^2?

OpenStudy (anonymous):

Do you get that \(TX^2= \large \frac{3}{4} \normalsize x^2\)?

OpenStudy (sagewilson):

yes

OpenStudy (anonymous):

Ok. You are given that \(TX = 6\) right? Then what \(TX^2\)?

OpenStudy (sagewilson):

that would equal 36

OpenStudy (anonymous):

Isn't it 36?

OpenStudy (sagewilson):

yeah

OpenStudy (anonymous):

So \(TX^2= \large \frac {3}{4} \normalsize x^2\) and \(TX^2=36\). Can you solve for x?

OpenStudy (sagewilson):

ok

OpenStudy (anonymous):

So \(x\) is the side TR. And \(RX= \large \frac{1}{2} \normalsize x\), the \(RX\) is ...

OpenStudy (sagewilson):

18

OpenStudy (anonymous):

No. \(\large \frac{3}{4} \normalsize x^2 =36\Longrightarrow x^2=48 \Longrightarrow x =\sqrt{48}=4\sqrt3 \)

OpenStudy (sagewilson):

oh, I'm still really confused as to how you got this answer. But it's fne, besides the time for the quiz already finishe :/

OpenStudy (anonymous):

I am sorry. Hope you will get all of those

OpenStudy (anonymous):

I gotta go. Have a good one

OpenStudy (sagewilson):

you too, bye

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