Can You Solve the Overlapping Circles Problem?

The overlapping circles problem from the MindYourDecisions Youtube channel is reportedly the same one given to 12-year-old students in Singapore. Can you solve it?

Here's The Problem

There is a large circle with a diameter of 84. Inside this circle are four smaller circles, as seen in the diagram below. What is the area between the large circle and the four smaller circles? Watch the video below for the solution, or scroll down to read the answer.

Can You Solve This Problem for 12-Year-Olds In Singapore?

Here's the Answer

The answer is about 1,006.885. Did you get it? Check out the video above to learn how this problem is solved.

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Written by Joanie Faletto March 9, 2017