Question

The circle below has a radius of 10 cm. What is the area of the shaded region? If necessary, round your answer to two decimal places. Do not include units in your answer.

Answer 1

See the complete area of a circle is pi r^2.

it subtends an angle of 360 at centre.

So, at 120 angle, the area will be (120 * pi * r^2)/(360)

Answer 2

Put the values and you will get the answer.

Answer 3

120 x 3.14 x 10^2 = 37,680

Answer 4

what do i do with 360?:o

Answer 5

divide 37680 by 360