20 Degrees
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20 102.3 rounded down is 100 4.7 rounded up is 5. 100 / 5 = 20 because 5 * 20 = 100
Answer:
15°
Step-by-step explanation:
AB is parallel to DC and AD is parallel to BC
Therefore, if you put Angle D and Angle C together it must form 180°
If Angle C = 120°, that means Angle D = 60°
Now you subtract 45 from 60 and that gives you 15.
Distributive property: 3x3 and 3xn
So... 9x3n which becomes
27n