Math CentralQuandaries & Queries


Question from rebecca, a student:


For a maths extension program i've been given the challenge of finding the area of a 5-point star with each of the 10 outside edges being a length of 1.23cm How might I go about finding the area for such a shape given only this piece of information?

Sincerely, Rebecca

Hi Rebecca,

The easiest way to find the area of the star is to divide it into triangles, like I did below. Now there is five larger congruent triangles and five smaller congruent triangles.



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