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Mathematics 7 Online
OpenStudy (anonymous):

What is the value of x in the figure below? http://media.apexlearning.com/Images/200705/25/d4e82e33-f8b0-474f-9ad3-976620b9f835.gif

OpenStudy (mathmate):

Have you learned metric relations in right triangles?

OpenStudy (anonymous):

No i don't think so

OpenStudy (mathmate):

Well, then read the following link: http://marceau.pbworks.com/w/file/fetch/53043928/MetricRelationsRightTriangle.pdf It explains all three metric relations when an altitude is dropped from the right angle. Your problem belongs to the first relation "proportional mean theorem". If you still have questions, please post again.

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