Denise is buying four birthday cards for $11.16. sales tax on the four cards is $0.68. what is the total cost? 1. 11.74 2. 11.84 3. 10.48 4. 12.18 which one is it and i will add you and you know give the brainlest to you

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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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