177k views
2 votes
Find the probability that a point chosen at random would lie in the shaded area of the figure. Round to the nearest tenth of a percent.

Find the probability that a point chosen at random would lie in the shaded area of-example-1

1 Answer

5 votes

Answer:

Area of shaded region:

12r^2 - (2(2r^2) + 2πr^2) =

12r^2 - 4r^2 - 2πr^2 =

(2r^2)(4 - π)

Probability of point chosen in shaded region:

(2r^2)(4 - π)/(12r^2) = (4 - π)/6 = .143 = 14.3%

User Chris Sullivan
by
9.1k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories