Area of Shaded Region...2

[nycmathguy]

College Algebra
Chapter 3

 

[MathLover1]

39.
look closely what is the area of shaded region equal to
it's equal to the area of the circle (note square is already counted, it is inside a circle)

40. correct

 

[nycmathguy]

39.
look closely what is the area of shaded region equal to
it's equal to the area of the circle (note square is already counted, it is inside a circle)

40. correct

For 39, the area is 2•pi.