I think it's the last one, i'm not sure though
Answer:
The correct answer is 15.
Step-by-step explanation:
We are given that the original sides BC is 5. To find the length of B'C' we take the side of BC and multiply it by the scale factor.
5 (original BC) x 5 (the given scale factor) = 15
3,4,5
idk if this is right these could work but what type of triangle and what are you trying to figure out
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