3 years ago

What is the answer to this???

Mathematics

1 answer:

Usimov [2.4K]3 years ago

7 0

Answer:

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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