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Mathematics
OpenStudy (anonymous):

The two triangles below are similar. Find the missing lengths. the first triangle has 15, 12, x. The second triangle has 3,5,4.

OpenStudy (radar):

12 use proportion

OpenStudy (anonymous):

huh?

OpenStudy (anonymous):

A)= B)=

OpenStudy (anonymous):

is 12 the missing length to triangle A?

OpenStudy (radar):

The ratio is 3, olh oh no it aint.

OpenStudy (anonymous):

im confused::(

OpenStudy (anonymous):

it's 9

OpenStudy (anonymous):

so are are the answers A= 12 b=9

OpenStudy (radar):

Yes it is. 3x4=12 3x5=15 so 3 x 3 = 9

OpenStudy (radar):

You have not shown the triangles, so I don't know A from B, but the third side x=9

OpenStudy (anonymous):

thx

OpenStudy (radar):

you are welcome.

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