Geometry and using Pi

How big was the Flying Saucer?
In the 1951 science fiction movie classic The Thing from Another World, a group of scientists and soldiers discover a recently crashed alien spaceship buried under a few feet of ice near the North Pole. The party spreads out to determine the size and shape of the alien craft under the blurry ice with the following dialogue: "It's perfectly round...yep, we finally found one...a flying saucer." Assuming that each of the 10 person party is exactly 25β apart along the circumference of the craft, what is the surface area of perfectly flat underside of the flying saucer?

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1. circumference = 10 * 25'

area = circumference^2 / (4 Ο)

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posted by Anonymous
2. 4973.591973

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posted by Berkeley

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