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Reika [66]
3 years ago
14

Find the length of segment CD with points C(2,2) and D (-1,8)

Mathematics
1 answer:
kumpel [21]3 years ago
6 0

Answer:

D

Step-by-step explanation:

Calculate the length using the distance formula

d = √ (x₂ - x₁ )² + (y₂ - y₁ )²

with (x₁, y₁ ) = C(2, 2) and (x₂, y₂ ) = D(- 1, 8)

CD = \sqrt{(-1-2)^2+(8-2)^2}

     = \sqrt{(-3)^2+6^2}

     = \sqrt{9+36} = \sqrt{45} ≈ 6.7 → D

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