Question

a circle O having a diameter of 2 cm has a square inscribed in it. each side of the square is then taken as a diameter to form 4 smaller circle B find the total area of all four B circles which is outside the circle O

Answer 1

diameter of circle is diagonal of square.
side of square is 1cm
ar. of circle
$\pi \: {r}^{2}$
so their areas are 4*22/7*.5*.5
= 22/7cm^2