preston7145 preston7145
  • 01-05-2019
  • Mathematics
contestada

What is the length of BC round to the nearest 10th of a unit

What is the length of BC round to the nearest 10th of a unit class=

Respuesta :

jimrgrant1 jimrgrant1
  • 01-05-2019

Answer:

8.6 units

Step-by-step explanation:

Calculate the length using the distance formula

d = √ (x₂ - x₁ )² + (y₂ - y₁ )²

with (x₁, y₁ ) = B(1, 6) and (x₂, y₂ ) = C(8,1)

d = [tex]\sqrt{(8-1)^2+(1-6)^2}[/tex]

  = [tex]\sqrt{7^2+(-5)^2}[/tex]

  = [tex]\sqrt{49+25}[/tex]

  = [tex]\sqrt{74}[/tex] ≈ 8.6

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