Find the equation for the circle with center (3,-5) and diameter of length 8.
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⠀⠀⠀⠀☛...Solution...☚ ⠀ ⠀⠀
⠀Length = 8
⠀ Radius = 8 / 2 = 4...⠀⠀⠀ ⠀ ⠀⠀ ⠀⠀⠀
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A general circle with centre ( 3, -5 ) and radius "r" has equation...
- ( x - a )² + ( y - b )² = r²
So, in this case the equation will be...
- ( x + 3 )² + ( y + 5 )² = 4²
- ( x + 3 )² + ( y + 5 )² = 16
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