katieokirin
katieokirin katieokirin
  • 03-09-2020
  • Mathematics
contestada

the length of segment HJ if H lies at (-1,7) and J lies at (8,-5)​

Respuesta :

abidemiokin
abidemiokin abidemiokin
  • 09-09-2020

Answer:

HJ = 15

Step-by-step explanation:

To get the length of segment HJ if H lies at (-1,7) and J lies at (8,-5)​, we will use the formula for calculating the distance between two points as shown;

D = √(x₂-x₁)²+(y₂-y₁)²

From the coordinates x₁ = -1, y₁ = 7, x₂ = 8, y₂ = -5

HJ = √(8-(-1))²+(-5-7)²

HJ = √(8+1)²+(-12)²

HJ = √81+144

HJ = √225

HJ = 15

Hence the length of segment HJ is 15 units

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