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missashleyn Group Title

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

  • one year ago
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  1. missashleyn Group Title
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    • one year ago
  2. sami-21 Group Title
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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 )

    • one year ago
  3. jim_thompson5910 Group Title
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    To find the center, you need to find the midpoint of this blue line segment

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

    • one year ago
  5. missashleyn Group Title
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    Oh okay so so the center is (-5, 3) and the radius is 7

    • one year ago
  6. jim_thompson5910 Group Title
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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

    • one year ago
  7. jim_thompson5910 Group Title
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    see this

    • one year ago
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  8. missashleyn Group Title
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    Oh wow thank you!

    • one year ago
  9. jim_thompson5910 Group Title
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    you're welcome

    • one year ago
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