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Find The Area

The blue and white circles combined have half the area as the outside circle. What is the area of the red part relative to the area to the whole circle?

Note: The parts are formed by lines tangent to the white circle and when the borders between colors are extended, it forms an equilateral triangle.

Note by Alex Wang
2 weeks ago

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Is it not 1/3*1/2=1/6? Or you mean full white circle + full blue circle? Saya Suka · 1 week, 5 days ago

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