Question
In the figure below, DEFG and EFZY are squares. C and A are centres of square YZFE and DEFG respectively. B is the centre of EF. If DY = 28 m, take π as 227 and find
  1. the perimeter of the shaded region,
  2. the area of the shaded region.
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

In the figure below, DEFG and EFZY are squares. C and A are centres of square YZFE and DEFG respectively. B is the centre of EF. If DY = 28 m, take π as 227 and find
  1. the perimeter of the shaded region,
  2. the area of the shaded region.