Question

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

Answer 1

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