In a circle of radius 13 cm, a chord ab is positioned at a distance of 5 cm, from its centre. find the length of the chord
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Given
AO=13cm and distance between it mean
OC=5cm then
IN triangle AOC;
AC^2=AO^2-OC^2
AC^2=13^2-5^2
AC^2=169-25
AC^2=144
AC=12cm
then AB=12×2cm
AB=24cm
AO=13cm and distance between it mean
OC=5cm then
IN triangle AOC;
AC^2=AO^2-OC^2
AC^2=13^2-5^2
AC^2=169-25
AC^2=144
AC=12cm
then AB=12×2cm
AB=24cm
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