timmy2124 timmy2124
  • 25-07-2020
  • Mathematics
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Please answer this in two minutes

Please answer this in two minutes class=

Respuesta :

monorama
monorama monorama
  • 25-07-2020

Answer:

15

Step-by-step explanation:

Use the Pythagorean Thereom:

[tex]r^{2}[/tex] = [tex]9^{2}[/tex]+[tex]12^{2}[/tex]

[tex]r^{2}[/tex] = 81+144

[tex]r^{2}[/tex] = 225

[tex]r[/tex]= 15

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