Which of the following is not an empirical formula? O C8H10N402 O C3H8 OMg3N2 O H2O
1 answer:
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Answer:
<h2>84.78</h2>Step-by-step explanation:
We have the area of a circle
The sector with a central angle of
Calculate, what part of 360° is an angle 120°:
The same part of an area of a circle is an area of a segment.
Therefore:
Use π ≈ 3.14