2a) 12.9 cm
2b) 8.5 cm
2c) 6.9 cm
3a) 3.5 cm
3b) 2 cm
3c) 6.9 cm
Hope this was helpful :)
Answer:
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Step-by-step explanation:
These questions are no problem, so long as you remember the rules for rotations. A point that is rotated 90 counterclockwise is simply x and y flipped, and negating the y.
For example, 2,9 becomes -9, 2.
So point A would be -1, 1, B would be -2, 1. So on and so forth.
Answer: 7
Step-by-step explanation:
We found the factors and prime factorization of 28 and 35. The biggest common factor number is the GCF number. So the greatest common factor 28 and 35 is 7.
Hope this helps :)
