in the figure o is the centre of circle what is measure of angle ACB
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L AOB=80°.
(measure of central angle)
m(arc AB)=80°. (by property - measure of
corresponding arc is equal measure of
central angle )
L ACB=1/2m(arc AB)
=1/2 *80
=40°
1.26 K/s O 61%
L ACB = 40°
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