Probability of Shapes in other Shapes

[transamgt24]

[h=1]A point in the figure is selected at random. Find the probability that the point will be in the part that is NOT shaded.[/h][h=1][/h]A. about 25%

B. about 33%
C. about 20%

D. about 10%

 

[Dr.Peterson]

A point in the figure is selected at random. Find the probability that the point will be in the part that is NOT shaded.

View attachment 8980

A. about 25%

B. about 33%
C. about 20%

D. about 10%

Suppose each side of the square is 1 unit. No, make that 2 units to make this easy.

What is the area of the square? What is the area of the shaded region?