Prove by vector theorem that diagonals of rhombus are perpendicular to each other
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° Rhombus is a parallelogram with all the four sides equal.
° If a . b = 0 then a is 1 to b
° Parallelogram law of addition: In a parallelogram ABCD
AC = AB + AD and DB = AB - AD
° If a . b = 0 then a is 1 to b
° Parallelogram law of addition: In a parallelogram ABCD
AC = AB + AD and DB = AB - AD
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