titianacrosby426 titianacrosby426
  • 29-04-2021
  • Mathematics
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Anyone know how to answer this question

Anyone know how to answer this question class=

Respuesta :

YCCMAnon
YCCMAnon YCCMAnon
  • 29-04-2021

Answer:

x²+y²=225

Step-by-step explanation:

when centered at the origin the equation of a circle is x²+y²=r²

we are given x and y so 9²+12²=r²

[tex]r^{2} =9^{2} +12^{2}\\ =81+144\\ =225[/tex]

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