Constructing a 30 degree angle - Corbettmaths

corbettmaths
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Published on Mar 25, 2013

Corbettmaths - This video shows two ways to construct a 30 degree angle. The first way starts by constructing part of an equilateral triangle, then bisecting the 60 degree angle. The second method starts by constructing a rhombus with 60 and 120 degree angles, then joining the opposite vertices to leave the 30 degree angle.

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