If z = a - bi, which of the following must be true of the imaginary part of the complex conjugate of z? A. must be the opposite of b. B. It must be the opposite of - bi. C. It must be the opposite of - b. D. It must be the opposite of bi.

step-by-step explanation:

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

hope this : )

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