dudeitsazzy dudeitsazzy
  • 20-04-2019
  • Mathematics
contestada

The center of a circle is at (0, 0), and the radius of the circle is 3 2 . Which equation represents the circle?

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jimrgrant1 jimrgrant1
  • 20-04-2019

Answer:

x² + y² = 9

Step-by-step explanation:

The equation of a circle centred at the origin is

x² + y² = r² ← r is the radius

Here r = 3, hence

x² + y² = 3² ⇒ x² + y² = 9

Answer Link
justintomisek justintomisek
  • 11-04-2020

Answer:

18

Step-by-step explanation:

Answer Link

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