Which proportion can be used to find the value of y? OS =
○ = 1
12
=
10 = 1
12

Step-by-step explanation:

in the given figure, we can observe that both triangles are similar since they have two equal angles of 100° and 60° .[By AA similarity criteria]

Also, the corresponding sides of similar triangles are proportional.

As side with measure 8 in bigger triangle corresponds side with measure 4 on the smaller triangle. [shortest side]

Similarly, side with measure 14 in bigger triangle corresponds side with measure y on the smaller triangle.  [longest side]

Using proportionality, we have

Hence, the proportion can be used to find the value of y is .

idk

step-by-step explanation:

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