Mathematics, 16.04.2020 10:32 arturocarmena10

A circle that has a radius of 10cm has a hole cut out of its centre to form a ring. Find the radius of the hole if the remaining area is 50% of the original area. Round to one decimal place.

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A circle that has a radius of 10cm has a hole cut out of its centre to form a ring. Find the radius...

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