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samy6570
30.07.2019 •
Mathematics
Verify that △abc∼△def. find the scale factor of △abc to △def. △abc: ab = 10, bc = 16, ca = 20 △def: de = 25, ef = 40, fd = 50 i really need someone to explain to me how to do this because i am so confused my teacher didn't give us notes and didn't explain this very well.
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Ответ:
The ratio between sides BC and EF is 16/40=8/20=2/5.
The ratio between sides AC and DF is 20/50=2/5. Verifying that the same ratio applies to all corresponding sides proves that the triangle is indeed similar, and the scale factor is 2/5.
Ответ: