I would think that the surface area doubles as everything else doubles.
Hope I helped
The answer is, in order, -4.5, and -4.375
Since the ratio of their similar sides are equal hence the triangles are similar
<h3>Scale factors</h3>
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: brainly.com/question/2644832
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Answer:
$140
Step-by-step explanation:
2 diveded by 40 is 20. 20 multiplied by 7 is 140.