Addison painted her room. She had 50 square meter to paint, and she painted at a constant rate. After 2 hours of painting, she had 35 square meters. Let A represent the area (in square meters) left to paint after t hours

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

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the answer on e2020 was d.