Since the ratio of their similar sides are equal hence the triangles are similar
Scale factors
Two figures are are known to be similar if the ratio of their similar sides are equal to a constant known as the scale factor.
For the triangles given, take the ratio of the sides;
12/2 = 6
30/5 = 6
36/6 = 6
Since the ratio of their similar sides are equal hence the triangles are similar
Learn more on similar shapes here: https://brainly.com/question/2644832
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