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Mathematics 4 Online
OpenStudy (anonymous):

Look at the figure below. What is the value of x? (4 points) 5 9 14 15

OpenStudy (mertsj):

Figure below?

OpenStudy (anonymous):

OpenStudy (mertsj):

The triangles are similar. Use the fact that the corresponding sides of similar triangles have equal ratios.

OpenStudy (anonymous):

14?

OpenStudy (mertsj):

Not what I got.

OpenStudy (anonymous):

ok let me redo

OpenStudy (anonymous):

9?

OpenStudy (mertsj):

nope

OpenStudy (anonymous):

ugh frustrating lol, let me try again

OpenStudy (mertsj):

This might be easier: A line that is parallel to a side of a triangle, divide the other two sides proportionally.

OpenStudy (mertsj):

So: \[\frac{5}{4}=\frac{x-5}{8}\]

OpenStudy (anonymous):

so 15

OpenStudy (mertsj):

yes

OpenStudy (anonymous):

thx @mertsj

OpenStudy (mertsj):

yw

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