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Please help!!!!!!!!!!
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Please help!!!!!!!!!!

Please help!!!!!!!!!!-example-1
User Richard Nichols
by
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1 Answer

3 votes

Answer: 18.7

Explanation:

Find the lengths of AB, BC, and CA

AB =
\sqrt{(4-(-1))^(2) + (-1-4)^(2) } = 5
√(2) ≈ 7.1

BC =
\sqrt{(0-(-1))^(2) + (-3-4)^(2) } = 5
√(2) ≈ 7.1

CA =
\sqrt{(0-4)^(2) + (-3-(-1))^(2) } = 2
√(5) ≈ 4.5

7.1 + 7.1 + 4.5 = 18.7

User Woutervs
by
4.3k points
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