Geometry: Maximize rectangles inside overlapping circles overlapping a rectangle
- Tình trạng: Closed
- Giải thưởng: $200
- Các bài thi đã nhận: 2
- Người chiến thắng: ivanfordjarini
Tóm tắt cuộc thi
This isn’t as hard as it sounds but not as easy as it seems.
Given H and W of the large rectangle, I want to maximize the dimensions (h,w) of the 4 inner rectangles so that they minimize the unoccupied space in the large rectangle. Each inner rectangle must stay within the limits of the outer rectangle and within its respective circle and the radius (r) of the circles should be minimized as much as possible (diagram attached). Each inner rectangle can not overlap another rectangle nor any other circle. The inner rectangles might not need to be tangent to the outer rectangle (however I guess that they will be). I think a way to solve the problem would be to fit/maximize the small rectangles into the large rectangle and then decrease their size until you can fit a circle around them. Maximizing h and w, may or may not maximize the area of the inner squares (I'm not sure about that). If that's important to the calculation then you'll have to figure that out for yourself. Deliverables should be equations for h, w, and r based on H and W. The location of the rectangles/circles (and/or d1-d4) should be able to be derived from those equations. This is a highly symmetric problem which should make some calculations easier. However, H and W are variable, therefore d1 and d2 are likely to be different, as well as d3 and d4. Also, because of the symmetry, I assumed that all the circles would be the same size (therefore only one 'r' is listed) but it may be that there might be two different circle sizes. It is a requirement that this gets solved with circles but extra consideration will be given for those who can also solve it using ellipses instead of circles (circles are special case of ellipses)--but please make sure to solve for circles first!!! (or show the solution for the special case in the ellipse).
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