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# A circle with radius 15 cm intersects another circle of radius

a circle with radius 15 cm intersects another circle of radius 20 cm at right angles. Work out an exact expression for the difference between teh areas of the non-overlapping portions. What is the sum of the areas of the non-overlapping portions? Give your answer to four significnat figures
Hi, Thank you for using the site. I'll be happy to help you with this. Is there a figure that goes along with this problem? I have an idea, but circles intercepting "at right angles" could be interpreted in a number of ways so it would be best to be sure I'm on the same page here. Thanks, Ryan
Customer: replied 5 years ago.

Hi

No I'm sorry and that also confused me. i had assumed the radii were at right angles? Is that what you think?

Yes, that's what I was thinking. The radii of each circle, from the center of their respective circles, to the point of intersection, meet at a right angle. Do you need to show calculations for this, or do you just need the final answers?

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