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Mathematics 7 Online
OpenStudy (sagewilson):

Help, medal will be given. Question is in an image below. I do not want a direct answer. Explain how I am supposed to do it.

OpenStudy (sagewilson):

OpenStudy (sagewilson):

@tkhunny

OpenStudy (tkhunny):

You are to use the properties of proportionality (similarity) between the THREE right triangles.

OpenStudy (sagewilson):

I haven't learned about properties of proportionality.

OpenStudy (tkhunny):

Yes you have. |dw:1453486711552:dw| Three SIMILAR triangles.

OpenStudy (sagewilson):

Looking over the problem and the information in my lesson I think I understand it a bit better now.

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