Question
PSLE
In the figure, the square CDEF is made up of two parts, G and H. The part, G, is formed by a semicircle and the line CD. The perimeter of G is 30 cm and the perimeter of the shaded part, H, is 86 cm.
  1. Find the perimeter of the square CDEF.
  2. Find the area of the shaded part H. (Take π =227)
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
In the figure, the square CDEF is made up of two parts, G and H. The part, G, is formed by a semicircle and the line CD. The perimeter of G is 30 cm and the perimeter of the shaded part, H, is 86 cm.
  1. Find the perimeter of the square CDEF.
  2. Find the area of the shaded part H. (Take π =227)