joceyc4408 joceyc4408

12-07-2022
Mathematics

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What is the perimeter of A ABC?
Round each step to the nearest tenth.
Enter your answer in the box.

What is the perimeter of A ABC Round each step to the nearest tenth Enter your answer in the box class=

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Medunno13 Medunno13

14-07-2022

Answer: 11.4

Step-by-step explanation:

Using the distance formula,

[tex]AC=\sqrt{(-3-1)^2 + (-1-2)^2}}=5\\\\AB=\sqrt{(-3-0)^2 +(-1-3)^2}=5\\\\BC=\sqrt{(1-0)^2 + (2-3)^2}=\sqrt{2} \approx 1.4\\\\\implies P \approx 5+5+1.4=\boxed{11.4}[/tex]

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