Question

prove that in rectangle the Sum of all side greater than twice of a sum of diagonal
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Answer 1

Answer:

AB + BC > AC

BC + CD > BD

CD + AD > AC

AD + AB > BD

(AB + BC + BC + CD + CD + AD + AD + AB) > (AC + BD + AC + BD)

2(AB + BC + CD + AD) > 2(AC + BD + AC + BD)

(AB + BC + CD + AD) > (AC + BD)

Hence proved