Geometry Problems, Math Problems

Problem of the Day: 2/25/13

In the figure below, what is the ratio of the combined area of the two small circles to the larger circle?

20130225-101044.jpg

Solution to yesterday’s problem

If 8 ties are striped red and blue, then 20-8=12 ties must be red or blue. Since there is an equal number of each color, 6 ties must be plain red. The probability of picking one of these 6 ties out of 20 total ties is 6/20, or 3/10.

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