Question
PSLE
The figure shows 4 circles, each of radius 42 cm. Each circle touches the circles next to it.
(Take π = 227)
  1. Find the perimeter of the shaded part.
  2. Find the area of the shaded part.
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

PSLE
The figure shows 4 circles, each of radius 42 cm. Each circle touches the circles next to it.
(Take π = 227)
  1. Find the perimeter of the shaded part.
  2. Find the area of the shaded part.