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OpenStudy (anonymous):
You are ordering your school pictues. You decide to order one 8-by-10 inch, two 5-by-10 inch, two 5-by-7 inch, and four 2.5-by-3.5 inch pics/ are any of these sizes similar to eachother?
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OpenStudy (anonymous):
Yes, but only one pair of photo sizes are. If you think of the dimensions as ratios, that might help.
OpenStudy (anonymous):
so no ?
OpenStudy (anonymous):
Yes, there are. Hint: the 2.5 by 3.5 inch pic is similar to what when you multiply the sides by 2?
OpenStudy (anonymous):
5/7 =/ 2.5/3.5?
OpenStudy (anonymous):
Similar shapes mean that their dimensions are scaled up or down, you just need the ratio
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OpenStudy (anonymous):
Yes that's it.
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