Find the perimeter of a rectangle whose one side is 20 cm and diagonal is 29 cm
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Diagonal=29cm=BC
One side=20cm=AB
AC^2=BC^2-AB^2
=841-400
=441
=V411
AC=21cm
Perimeter =2(21+20)
=82cm
Hope you like my answer and follow me .......xD
One side=20cm=AB
AC^2=BC^2-AB^2
=841-400
=441
=V411
AC=21cm
Perimeter =2(21+20)
=82cm
Hope you like my answer and follow me .......xD
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