Square and Circles

Geometry Level 3

The above shows a square ABCD with side length 12.

The point O touches the side length AD such that there is a circle with radius 3 that is inscribed inside the triangle ABO.

What is the radius of the larger circle?


The answer is 4.

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2 solutions

Ahmad Saad
Aug 26, 2016

Manavam Achary
Oct 11, 2016

A pure geometric solution .

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