If ACB is a semi circle with diameter AB = 21 cm and two semi circles are midpoint of AB and a circle is inscribed as shown. (Take π=22/7)Then
A)Radius of the circle is =3.5cm
B)Radius of the circle is =7cm
C)Area of the circle =154sq.cms
D)Circumference =22 cms
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Sorry bhai I need points
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