Answer:
GCF: 4
Step-by-step explanation:
The factors of 12 are: 1, 2, 3, 4, 6, 12
The factors of 20 are: 1, 2, 4, 5, 10, 20
Then the greatest common factor is 4.
4
because it is the greatest amount that can go into both numbers
<c = 45°
<d = 90°
I am not sure okay....this ia sq right?
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