Sagot :
Answer:
Answer
The equation of circle with center (h,k) and radius r units is
(x−h)
2
+(y−k)
2
=r
2
The equation of the circle with center (2,3) and radius 5 units is
⇒(x−2)
2
+(y−3)
2
=5
2
⇒x
2
−4x+4+y
2
−6y+9=25
⇒x
2
+y
2
−4x−6y−12=0
Answer:
Answer
The equation of circle with center (h,k) and radius r units is
(x−h)
2
+(y−k)
2
=r
2
The equation of the circle with center (2,3) and radius 5 units is
⇒(x−2)
2
+(y−3)
2
=5
2
⇒x
2
−4x+4+y
2
−6y+9=25
⇒x
2
+y
2
−4x−6y−12=0