Question

The circle shown below has a diameter of 22 cm. What is the approx. area of the shaded sector?

Answer 1

What is the area of the circle?

Answer 2

69.08

Answer 3

\[\pi \times radius ^{2} = area of a circle\]

Answer 4

oh so then it would be 379.94?

Answer 5

Great..now the shaded region of the circle measures 285 degrees. What is the measurement in degrees of a full circle?

Answer 6

360

Answer 7

So the shaded region is what percent of the circle?

Answer 8

About 80% I think

Answer 9

And the un-shaded region is 75 deg

Answer 10

The shaded region would be 285/360 = 79.16% so you have that. So how much of the 379.94 area of the circle is shaded?

Answer 11

300.76 or 301

Answer 12

Good job

Answer 13

Thank you so much!