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#1 2020-06-10 01:31:36

Ayomide
Member
Registered: 2020-05-14
Posts: 3

Comment on 'lengthy relationship' puzzle

I got it right, I used apollonius' theorem:

5^2+3^2=2 (4)^2+2 (x)^2
25+9=2 (16)+2 (x^2)
34=32+2x^2
2x^2=2
x=1

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