a circle is passing through three vertices of a rhombus of side 8 cm and its Centre is the fourth vertex of the rhombus. find the length of the longest diagonal of the Rhombus
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✿Answer:
in the fig 'B' is center
ABCD is rhombus
AD=AB=BC=BD =8cm ( radii)
In rhombus , diagonals are
bisector each other out 90°
BD=BO+OD=4+4=8cm
In Right angle AOD
↦AD²=AO²+OD²
↦(8²)=AO²+(4)²
↦AO²=64-16=48
↦AO²=
ஃ The longest diagonal is
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