jessbards2006 jessbards2006

22-03-2021
Mathematics

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a circle has its centre at the origin and has the equation - x squared+y squared=81

what is the radius

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Respuesta :

Аноним Аноним

22-03-2021

Step-by-step explanation:

We can simply take the sqr root of 81 to find the radius.

The radius is 9.

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