Respuesta :

Ashylnn
| 9 - 21 |

| -12 |

The distance between (9,18) and (21,18) is 12.

Answer:

12

Step-by-step explanation:

Use the formula

[tex]\sqrt{(x^2-x^1)^2 +(y^2-y^1)^2[/tex]

Input the numbers

21 - 9 = 12

12^2 = 144

18 - 18 = 0

0 ^ 2 = 0

[tex]\sqrt{144}[/tex] = 12

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