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Mathematics 9 Online
OpenStudy (anonymous):

In the diagram below, AC is perpendicular to BD. Find x. Answer: 18 27 36 81

OpenStudy (anonymous):

|dw:1417683219643:dw|

OpenStudy (anonymous):

my answer was 27

Directrix (directrix):

3x + 9 = 90 so yes x does equal 27 |dw:1417683385817:dw|

OpenStudy (anonymous):

yeah so i did 3*27+9=90

Directrix (directrix):

same diagram?

OpenStudy (anonymous):

huh

Directrix (directrix):

Is the next question about this same diagram?

OpenStudy (anonymous):

yes same diagram just one of the number things are different

OpenStudy (anonymous):

but is my answer to this Q correct?

Directrix (directrix):

Yes, look where I wrote that above the last picture. Directrix Medals 0 3x + 9 = 90 so yes x does equal 27

OpenStudy (anonymous):

ok ty let me give u another medal

Directrix (directrix):

Did you follow that 27 is correct?

OpenStudy (anonymous):

yes

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