At LaGuardia Airport for a certain nightly flight, the probability that it will rain is 0.16 and the probability that the flight will be delayed is 0.05. The probability that it will not rain and the flight will leave on time is 0.81. What is the probability that it is not raining if the flight leaves on time? Round your answer to the nearest thousandth.

perimeter = 10 +  √10  units

explanation:

first, we will need to get the length of each line using the distance formula which is as follows:

distance = 

1- length of ab:

ab =   = 5 units

2- length of ac

length of ac is the same as ab = 5 units

3- length of bc:

bc =   =  √10  units

now, we can get the perimeter by adding the side lengths as follows:

perimeter = 5 + 5 +  √10

perimeter = 10 +  √10  units

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