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The planet Neptune orbits the Sun. Its orbital radius is 30.1 astronomical units (AU). Assuming Neptune's orbit is circular, what is the distance it travels in a single orbit around the Sun? (Give you
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The planet Neptune orbits the Sun. Its orbital radius is 30.1 astronomical units (AU). Assuming Neptune's orbit is circular, what is the distance it travels in a single orbit around the Sun? (Give you answer in terms of π.)

User Jim Buck
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1 Answer

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Answer: 189.1 astronomical units

Explanation:

The formula for the circumference of a circle is the C=dπ (circumference = diameter times pi)

the diameter is just the radius times 2

30.1 · 2 = 60.2

now multiply that by pi to find the circumference

60.2 · π = 189.1 astronomical units

User THE AMAZING
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