The radius of the circle is [[$ 4.0 $]] m. Calculate the areas of sectors with the following central angles.

Take a picture of your solutions and return it to the submission folder .

a) [[$ 120° $]]

Answer: The area is m[[$ ^2 $]].

b) [[$ 90° $]]

Answer: The area is m[[$ ^2 $]].

c) [[$ 30° $]]

Answer: The area is m[[$ ^2 $]].

d) [[$ 20° $]]

Answer: The area is m[[$ ^2 $]].