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s344n2d4d5 [400]
3 years ago
7

What is the answer to this???

Mathematics
1 answer:
Usimov [2.4K]3 years ago
7 0

Answer:

18

Step-by-step explanation:

First, we have to find out the scale factor of the triangles. So, we go from 20 to 30 by:

20s=30\\s=3/2\\s=1.5

1.5 is the scale factor. We're looking for x. We go from 12 to x by:

12*1.5=x\\18=x

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