andrewj224os7xgz andrewj224os7xgz
  • 15-05-2018
  • Mathematics
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A circle has its center at (−2, 5) and a radius of 4 units. Find the equation of the circle using the Pythagorean Theorem.

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anyalong
anyalong anyalong
  • 22-05-2018
The pythagorean theorem is only used for right triangles? however, you can find the equation with the info given. a circle is written as (x-h)^2+(y-k)^2=r^2. in this scenario, h=-2, k=5, and r=4.

Your final equation would be (x+2)^2+(y-5)^2=16
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