In fig o is the centre and AB is diameter, it
AB - 28 m , find perimeter of the shaded region
answer pls
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if r is the radius of the circle then perimeter of the half circle is 2r+πr
AO=OB=28/2m=14m
then perimeter of the shaded region
(πr+π.7+π.7) m
=π(14+7+7)m
=22×28/7m
=88m
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