The dart board below is comprised of three concentric circles below that have radii 2.7. and 10 inches. Find the probability that a randomly thrown dart that hits the board also lands in the shaded region. Express your answer as a percent (ie. 65%).​

the simplified form is

step-by-step explanation:

we want to simplify the expression,

let us change the middle bar to a normal division sign to obtain,

we multiply the first fraction by the reciprocal of the second fraction to obtain,

we factor to obtain,

we cancel the common factors to get,

we simplify to get,

the correct answer is b

answer

step-by-step explanation: