Interesting Engineering on MSN23h
380-year-old Descartes circle problem finally solved with help from physicsMathematicians at Monash University have cracked a centuries-old puzzle dating back to the 17th century, extending Descartes’ ...
The circumference of a circle = \(\pi d\) or \(2\pi r\). Look at the sector of the circle shown below. To calculate the length of the arc, we need to know what fraction of the circle is shown.
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