BMAD Posted April 15, 2013 Report Share Posted April 15, 2013 Two overlapping spherical soap bubbles, whose centers are 50 mm apart, have radii 40 mm and 30 mm. What is the diameter D of their circle of intersection? Quote Link to comment Share on other sites More sharing options...
0 BobbyGo Posted April 15, 2013 Report Share Posted April 15, 2013 Diameter of intersecting circle = 48 mm Radius of intersecting circle = = 24 1 Quote Link to comment Share on other sites More sharing options...
0 bonanova Posted April 16, 2013 Report Share Posted April 16, 2013 In a plane containing the centers, one sees a 30 40 50 triangle. The radius of intersection is perpendicular to the 50 side. Thus, 30x40 = 50xr. d = 2r = 48. Quote Link to comment Share on other sites More sharing options...
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