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Intersecting Circles

I would like to know how to solve this problem.

There are two circles, \(A\) and \(B\), drawn on a number plane such that Circle \(A\)'s diameter is on the x-axis on points \((0, 0)\) and \((40, 0)\) and Circle \(B\)'s diameter is on the y-axis on points \((0, 0)\) and \((0, 40)\). What is the area of the intersecting regions of the circle?

Note by Sharky Kesa
3 years, 11 months ago

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Hint: add the areas of two quarter circles, then subtract your overcounting.

Daniel Liu - 3 years, 10 months ago

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