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Mathematics 10 Online
OpenStudy (narissa):

can someone help

OpenStudy (narissa):

OpenStudy (narissa):

@mathmath333

OpenStudy (mathmath333):

Apply pythagorus theorem again this time \(\large \color{black}{\begin{align} hypo=17,leg_1=10,leg_2=x\hspace{.33em}\\~\\ \end{align}}\)

OpenStudy (narissa):

17*17=289 +10*10=389

OpenStudy (dtan5457):

Use the pythagorean theorem. a^2+b^2=c^2 c=17 b=10

OpenStudy (narissa):

oh so its not 17^2

OpenStudy (mathmath333):

read the question u have to find value of \(x\)

OpenStudy (narissa):

19.72?

OpenStudy (narissa):

rounded its 19.7

OpenStudy (narissa):

square root of 389 is 19.72

OpenStudy (mathmath333):

\(\large \color{black}{\begin{align} hypo^2=(leg_1)^2+(leg_2)^2\hspace{.33em}\\~\\ (leg_2)^2=hypo^2-(leg_1)^2\hspace{.33em}\\~\\ (leg_2)^2=17^2-10^2\hspace{.33em}\\~\\ \end{align}}\) solve from here

OpenStudy (mathmath333):

\(\large \color{black}{\begin{align} (x)^2=17^2-10^2\hspace{.33em}\\~\\ \end{align}}\)

OpenStudy (narissa):

im confused and stuck 17*17 is289 -100 would be 189

OpenStudy (mathmath333):

\(\large \color{black}{\begin{align} (x)^2=289-100\hspace{.33em}\\~\\ (x)^2=189\hspace{.33em}\\~\\ (x)=\sqrt{189}\hspace{.33em}\\~\\ \end{align}}\) find square root of \(189\)

OpenStudy (narissa):

13.74

OpenStudy (mathmath333):

yes correct

OpenStudy (narissa):

so rounded would be 13.7

OpenStudy (mathmath333):

yep

OpenStudy (narissa):

thank u forv having patience i just need someone that can walk me through it when i get stuck

OpenStudy (narissa):

im really trying

OpenStudy (narissa):

i have more if u want to help i will tag u

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