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Mathematics 19 Online
OpenStudy (anonymous):

ABCD is a rectangle find the diagonal

OpenStudy (anonymous):

\[AC= \frac{ 3y }{ 5 }\]

OpenStudy (anonymous):

\[BD=3y-4\]

OpenStudy (anonymous):

ar ac and bd the diagonals?

OpenStudy (anonymous):

I guess so

OpenStudy (anonymous):

@Ahmad1 from her previous example the lines she gave are the diagonals.

OpenStudy (anonymous):

yes they are the diagonals

OpenStudy (anonymous):

well u gave me the wrong answer last time so obviously u don't know how to solve the problem

OpenStudy (anonymous):

okay then the lengths must be equal

OpenStudy (anonymous):

(3y)/5=3y-4

OpenStudy (anonymous):

yes and ive tied the problem but I get the wrong answers

OpenStudy (anonymous):

@pengembara_bumi1

OpenStudy (anonymous):

\[3y/5=3y-4 \rightarrow 3y=15y-20\rightarrow 12y=20\rightarrow y=5/3\]

OpenStudy (anonymous):

but remeber, you want the length of the diagonal we say 3/5*5/3=1

OpenStudy (anonymous):

I don't undetsand

OpenStudy (anonymous):

ahmad is right :) now you use 5/3 to plug into either side of the equation

OpenStudy (anonymous):

idk how

OpenStudy (anonymous):

just equalized the length you gave , and find y ,then sub in any equation to find the value of the diagonal

OpenStudy (jdoe0001):

"ahmad is right " unless he needs to make a left-turn although 3 left-turns make a right-one

OpenStudy (anonymous):

but remeber, you want the length of the diagonal we say 3/5*5/3=1

OpenStudy (anonymous):

ummmmmm................

OpenStudy (anonymous):

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