## 235 Reputation

4 years, 247 days

## It seems lost solutions...

@vv If feel, It seems lost solutions.

## I do not think so...

@vv I do not think so. Because, the sphere tangent to "edges", not tangent to "line". The edge AB is different the line AB

## Thank you very much...

@Gillee Thank you very much.

## Thank you very much...

@Carl Love Thank you very much.

## Thank you very much...

@Carl Love Thank you very much.

## Thank you very much...

@Kitonum Thank you very much.

## Another solutions....

@Kitonum I want to find some equation with 6 another solutions.

@Kitonum I have just an equation solve(abs(-2*x+5)+abs(-2*x+9)-x^2+7*x-16 = 0, x); by trying many times. Please write a procedure to solve this problem.

## I found one equation...

@Carl Love I found one equation
solve(abs(-2*x+5)+abs(-2*x+9)-x^2+7*x-16 = 0, x);

## Sorry...

@vv I am sorry about my edit.

## I edited my question...

@Carl Love I have just edit my question. I am sorry.

## Thank you very much...

@Kitonum Thank you very much.

## ABCD is not a convex quadrilateral...

@Kitonum I tried your code and copy all coordinates to LaTeX. I see that, ABCD is not a convex quadrilateral.

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