Answer:
A. Yi did not list all the factors of 63
Step-by-step explanation:
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The error is that the factors of 3 and 21 are missing from the list for 63
Factors of 42 : 1, 2, 3, 6, 7, 14, 21, 42
Factors of 63 : 1, 3, 7, 9, 21, 63
common factors are : 1, 3, 7, 21
greatest common factor = 21
n/5
substitution for n = 3.2
3.2/5
0.64
First answer.
We know that a complete rotation would be 360°. If the figure is being rotated 90°, this is a quarter of a complete rotation.
When looking at the given answers, only the first answer seems logical.
