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Stolb23 [73]
3 years ago
10

Please someone help me. I really don’t understand geometry.. it’s confusing :c

Mathematics
1 answer:
RideAnS [48]3 years ago
8 0
So basically the side length went from 3 to 7.5, so we have to find the factor which caused the increase. We have to find what times 3 makes 7.5

So our equation is 3×x=7.5
From here on it's just algebra, we'll divide each side by 3 to isolate x

7.5/3=2.5
x=2.5
So the scale factor applied to the first rectangle is 2.5
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