# Tagged Questions

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### Calculate the radius of the circle - given the following in the figure

[HOMEWORK]Below is the figure in which the radius has to be calculated - and the answer has been provided, without the steps involved. After struggling for an hour or so, I'm not able to go ...
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### How to find the “as the crow flies” distance between two points that lie on a circle?

So I heard what I thought was a clever answer to "How do you make 2+2=5?".. On a 9-mile long circular track, drive two miles, then two more miles. You will be 5 miles from your start position. ...
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### Locus of center of circle.

Consider two circles with radii $a$ and $b$ and centers $(a, 0)$ and $(b, 0)$ respectively with $0 < a < b$. Let $c$ be the center of any circle in the crescent shaped region M between the two ...
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### Inscribed kissing circles in an equilateral triangle

Triangle is equilateral (AB=BC=CA), I need to find AB and R. Any hints? I was trying to make another triangle by connecting centers of small circles but didn't found anything