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Mathematicians like to define things before they start talking about them. This is a good idea in...
Central angles give rise to another concept that we call the arc. Not ark, as in Raiders of the...
Fun activity time! You'll need a hula-hoop and several huge rubber bands big enough to stretch...
Let's say you're sharing a pizza with three friends. You order from Inconvenient Pizzas, Inc....
Lines and circles tend to avoid each other, because they kind of freak each other out. Lines...
Let's take a look at (surprise, surprise) a circle.We don't know anything about this circle....
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