Question 1117203: Write the equation for a circle that has a center (-2, 4) and radius of 3cm. Found 2 solutions by Alan3354, ikleyn:Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! Write the equation for a circle that has a center (-2, 4) and radius of 3cm.
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A circle of radius r, center at (h,k):
---
the units are not relevant.
You can put this solution on YOUR website! .
Write the equation for a circle that has a center (-2, 4) and radius of 3 cm.
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A circle of radius r, center at (h,k):
= <<<---=== It is the most general equation of a circle in a coordinate plane.
In your case it is
+ = , or, simplified as much as possible,
+ = 9.
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If you want to learn more on the subject, read the lesson
- Standard equation of a circle
in this site.
