Kossybml Kossybml
  • 25-10-2021
  • Mathematics
contestada

State the radius of this circle:
X^2 +Y^2=121

Respuesta :

jimrgrant1 jimrgrant1
  • 25-10-2021

Answer:

radius = 11

Step-by-step explanation:

The equation of a circle centred at the origin is

x² + y² = r² ( where r is the radius )

x² + y² = 121 ← is the equation of a circle centred at the origin

with r² = 121 , then

r = [tex]\sqrt{121}[/tex] = 11

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