Answer:
3.
Step-by-step explanation:
3 divided by 1 equals 3.
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Answer: 5,300
2 & 20
100 x 2= 200
20 x 10= 200
12°
a right triangle implies there is an angle that is 90°
another angle is 78°
the third angle is 180 - (90 + 78) = 180 - 168 = 12°