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# Pls quick fast help explanation edit

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Consider a convex quadrilateral with vertices at a, b, c and d and on each side draw a square lying outside the given quadrilateral, as in the picture below. Let p,q,r and s be the centers of those squares:

a) Find expressions for p,q,r and s in terms of a,b,c and d.

b) Prove that the line segment between p and r is perpendicular and equal in length to the line segment between q and s.

Feb 5, 2019

#1
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This is a repost of this question:

https://web2.0calc.com/questions/pls-long-explanation-need-help-fast-pls

People can answer here this time but please next time just give the address of the original quesion like i just did.

If you show people it is a repost and say you still need help people are usually more happy to help you anyway.

As you are aware, this is an advanced question. I don't know how to answer it.

Feb 5, 2019
#2
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I could try, but you need to define p,q,r,s.

are you trying to go for their coordinates?

in that case, I can try barycentric coordinates.

Feb 5, 2019
#4
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center of the squares

Guest Feb 6, 2019