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Given angle DEF : angle RST, find the scale factor.

Given angle DEF : angle RST, find the scale factor.-example-1
User Dacosta
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1 Answer

24 votes
24 votes

The scale factor is the bigger over the smaller, so
image is the scale factor.

To find x, we just use a proportion Biggest to Smallest:


image

4x = 48

x = 12