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Ok so this is the equ of a circle which is :
(x-a)^2+(y-b)^2=R^2 right?

yeees

Leyla ente 3arabiye? :p

??

Sorry x^2+y^2=R^2

Understood till now??

yes

but im still confused

Sorry 29000^2*

Whats confusing you?

I understand now , I thought that , I need more process than that

you know more formulas etc , but thank you so much !

Your welcome :) btw are you arab?

not I'm not lol, why ?

thanks Leyla :-)

Hehe nothing forget it :p

Well, ask the question and let's see.

Center at (2, 4), tangent to x-axis

Is that for a circle?

yes

Circle's equation formula is:
(x -a)² + (y -b)² = r²
where center = (a, b)

so 2 is a, and 4 is b ?

yes and r^2 would be 16

thank youuuuuuuuu so much , I feel like i love u right now lol jk , but thank seriusly :)

ok you are welcome :-)