Joel made some muffins. he gave 1\4 of the muffins to a neighbor. he took 3\8 of the muffins to school. what fraction of muffins is left?

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 is  

c.

90.0π cm^2

hope you got it.