Question 20
Four circles fit inside a square of perimeter 16 cm as shown. Find the shaded area in $\mathrm{cm}^2$.
Editorial interpretation of the symmetric drawing: the four circles are congruent; each is tangent to one square side at its midpoint and passes through the square centre.
Editorial interpretation of the symmetric drawing: the four circles are congruent; each is tangent to one square side at its midpoint and passes through the square centre.