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missashleyn

  • 2 years ago

What is the center and radius of this circle? Center: (3, -5); Radius: 7 Center: (3, -5); Radius: 14 Center: (-5, 3); Radius: 14 Center: (-5, 3); Radius: 7

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  1. missashleyn
    • 2 years ago
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  2. sami-21
    • 2 years ago
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    diameter is 14 (distance between two extrem points on either x or y axis ) so radius is =7 from the figuge and knowing radius is =7 centre is at (-5,3 )

  3. jim_thompson5910
    • 2 years ago
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    To find the center, you need to find the midpoint of this blue line segment

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  4. jim_thompson5910
    • 2 years ago
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    notice how the red endpoints are the points (-12, 3) and (2,3)

  5. missashleyn
    • 2 years ago
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    Oh okay so so the center is (-5, 3) and the radius is 7

  6. jim_thompson5910
    • 2 years ago
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    yep the center is (-5,3) once you have the center, you just measure the distance from that center to any point on the circle to find the radius it's probably easiest to pick either red point

  7. jim_thompson5910
    • 2 years ago
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    see this

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  8. missashleyn
    • 2 years ago
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    Oh wow thank you!

  9. jim_thompson5910
    • 2 years ago
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    you're welcome

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