Question

if
the circle x²+y²=9 and x²+y² +8y+c=0
touch each other, then cis equal to​

Answer 1

Answer:

If the Circles X2 + Y2 = 9 and X2 + Y2 + 8y + C = 0 Touch Each Other, Then C is Equal to Concept: Circle - Standard Equation of a Circle.