1.

A circle with Centre (3,0) with radius 7 then equation of circle is ??​

Answer»

Answer:

X^2 - 6X +y^2 - 40=0 is the EQUATION of circle.

Step-by-step explanation:

Equation of circle when CENTER and radius is given =>( x-x1)² +(y-y2)²= r²

Therefore, ( x-3)² +(y-0)²= 7²

=> X²+9-6x+y²= 49

=>X²-6x+y² -40=0

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