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Mathematics 20 Online
OpenStudy (ajanijones):

Medals Please Help. The triangles shown are similar. What is the value of x? http://static.k12.com/calms_media/media/1299500_1300000/1299525/1/a506825d97824929139025503c02ad0152987659/141091.jpg A. 12 B. 10 C. 15 D. 9

OpenStudy (ajanijones):

I think Its B. 10

OpenStudy (ajanijones):

@thomaster

OpenStudy (ajanijones):

@MrNood @EclipsedStar @jagr2713

OpenStudy (mrnood):

similar triangles have the same 'proportions' you can see that 2 sides have doubled in length - so the third side must also double to keep the triangles similar

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