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Please help!!! I will mark brainliest

Please Help I Will Mark Brainliest class=

Sagot :

Clarch19idn

Answer:

P = 14.9

Step-by-step explanation:

i used distance formula:  

d = √(difference of y-values, squared, + difference of x-values, squared)

distance from (-2,1) and (2,4):  [tex]\sqrt{25}[/tex] = 5

distance from (-2,1) and (-1,-2):  [tex]\sqrt{10}[/tex]

distance from (-1,-2) and (2,4):  [tex]\sqrt{45}[/tex] = 3[tex]\sqrt{5}[/tex]

P = 5 + [tex]\sqrt{10}[/tex] + 3[tex]\sqrt{5}[/tex]  ≈  14.9

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