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earnstyle [38]
2 years ago
9

Find the center and radius

Mathematics
1 answer:
Jobisdone [24]2 years ago
8 0

Answer:

centre = (0, 0 ) , radius = 2

Step-by-step explanation:

the equation of a circle centred at the origin is

x² + y² = r² ( r is the radius )

x² + y² = 4 ← is in this form

with centre (0, 0 ) and r = \sqrt{4} = 2

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