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Geometry 9 Online
OpenStudy (anonymous):

HELP PLEASE! Salma used a photocopier to dilate the design for a monorail track system. The figure below shows the design and its photocopy: Two irregular quadrilaterals ABCD and EFGH are drawn. EFGH is the photocopy of design ABCD. AB measures 15 meters, DC measures 17 meters. No dimensions are shown on EFGH. The ratio of AD:EH is 1:2. What is the length, in meters, of side GH on the photocopied image?

OpenStudy (anonymous):

OpenStudy (anonymous):

Would it not be 34 meters?

OpenStudy (anonymous):

I don't have answer choices, so I don't know. Explain how you got there? I suck lol :/

OpenStudy (anonymous):

The ratio 1:2 implies that the photocopy is twice the size of the original.

OpenStudy (anonymous):

So basically, all of the sides are doubled for the photocopy. If DC is 17 and you use the ratio 1:2, then GH is 34 meters.

OpenStudy (anonymous):

Ohh! Wow I feel kinda dumb for not knowing that :l haha Thank you so much!

OpenStudy (anonymous):

No problem

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