Search Results | circle
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How to Use the Unit Circle in Trigonometry
science.howstuffworks.com/math-concepts/unit-circle.htm
A unit circle is an important part of trigonometry and can define right angle relationships known as sine, cosine and tangent.
What Is the Arctic Circle? 9 Stone-cold Facts About the Region
science.howstuffworks.com/environmental/earth/geophysics/arctic-circle.htm
The Arctic Circle is a region marked by frigid temperatures, strange sunlight and glaciers galore. And for hundreds of thousands of people, it's also home sweet home.
How Crop Circles Work
science.howstuffworks.com/science-vs-myth/unexplained-phenomena/crop-circle.htm
Are crop circles the work of alien visitors? Are they a natural phenomenon? Are they elaborate hoaxes perpetrated by some very dedicated humans? Learn how researchers try to separate the supernatural from the scientific.
Is the Mystery of Namibia's Fairy Circles Finally Solved?
science.howstuffworks.com/science-vs-myth/unexplained-phenomena/namibias-fairy-circles.htm
In the Namib Desert, fairy circles have stumped researchers for decades. Where did they come from? One scientist thinks he's solved the mystery.
How to Get Rid of Dark Circles Under Eyes
health.howstuffworks.com/skin-care/beauty/skin-and-makeup/get-rid-of-dark-circles-under-eyes.htm
Want to know how to get rid of dark circles under eyes? Visit HowStuffWorks to learn how to get rid of dark under eyes.
What can I do daily to reduce dark circles under my eyes?
Dark circles, or bags, under the eyes are a common, yet hard-to-treat skin care problem. Get home remedies and treatment ideas for dark circles.
The Venn Diagram: How Circles Illustrate Relationships
science.howstuffworks.com/math-concepts/venn-diagram.htm
Venn diagrams are an easy way to simplify information and visualize relationships between concepts or sets of data.
What Is the Area Formula for a Rectangle, a Triangle and a Circle?
science.howstuffworks.com/math-concepts/area-formula.htm
Want to know the area of your pizza or the kitchen you're eating it in? Come on, and we'll show you how to figure it out with an area formula.
Why do wildebeests spend their whole lives migrating in a circle?
animals.howstuffworks.com/mammals/wildebeest-migration.htm
Wildebeest migration involves nearly one million wildebeests walking 1,000 miles in search of food. Read about wildebeest migration, an arduous trek.