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denis-greek [22]
3 years ago
8

I forgot how to do this!! i'd like help please!!

Mathematics
1 answer:
user100 [1]3 years ago
3 0

Answer:

9) 28

10) 22

Step-by-step explanation:

collinear means on the same line

9 ) AB+BC=AC

    16+12=28

10) 13+9=22

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