I need help with a math problem

Anonymous
timer Asked: Nov 9th, 2015
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Question Description

Tutor Answer

mattgregorio
School: University of Virginia

Thank you for the opportunity to help you with your question!

The answer is A.
The ratio of the triangles is 2:1
This is because BC is twice as long as YZ. The triangles are similar so they keep the proportion for all the sides.
AC is 11 because XZ is 5.5 so it is double.
XY is 3.5 as it is half as long as AB which is 7.
This makes the proportion of all the sides 2 to 1.
Please let me know if you need any clarification. I'm always happy to answer your questions.

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Anonymous
Good stuff. Would use again.

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