how to find the radius of a circle !

Описание к видео how to find the radius of a circle !

the given conditions are the key to finding the radius.
there are a square and a rectangle.
we must set an equation which has the unknown number, r.
this video shows how to solve this geometry problem by using the pythagorean theorem and the equation of a circle. (made with vrew)
#geometryproblems #pythagoreantheorem #equationsofcircle

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