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# Please Solve this Precalculus Problem about Ellipse?

The orbit of a planet around the sun is in the shape of an Ellipse, with the sun at one of its foci. The planets greatest distance from the sun, called the aphelion, is 94.5 million miles while the shortest distance, known as the perihelion, is 91.5 million miles. What is the equation for the orbit of the Earth around its sun?

### 1 Answer

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- BryceLv 71 month ago
a= (94.5 + 91.5)/2= 93

c= (94.5 - 91.5)/2= 1.5

b²= 93² - 1.5²= 8646.75

x²/8649 + y²/8646.75= 1

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