The figure shown here is made up of 4 identical circles.

Each circle has a radius of 38 cm.

(a) What is the area of the shaded region?

(b) What is the perimeter of the shaded region?

[ Take π to be 3.14 ]

Notes to students:

1. If the question above has parts, (e.g. (a) and (b)), given that the answer for part (a) is 10 and the answer for part (b) is 12, give your answer as:10,12
2. Round your answer off to 2 decimal places