rypaaige5857 rypaaige5857
  • 13-01-2021
  • Mathematics
contestada

The point (-4‚-2) lies on a circle. What is the length of the radius of this circle if the center is located at (-8‚-10)

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abidemiokin
abidemiokin abidemiokin
  • 14-01-2021

Answer:

4√5

Step-by-step explanation:

The length of the radius of the circle will be the distance between the two coordinates. Using the formula:

D = √(x₂-x₁)²+(y₂-y₁)²

Given the coordinates (-4‚-2) and (-8‚-10)

R = √(-8-(-4))²+(-10-(-2))²

R = √(-4)²+(-8)²

R = √16+64

R = √80

R = √16*5

R = 4√5

Hence the  length of the radius of this circle is 4√5

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