Question

Coordinate geometry question #4 -Circle

Answer 1

I can reject the options D, and E. But I have some problems with finding the radius. I thought the radius was 5.

Answer 2

A

Answer 3

I thought so, but the answer is B. That's weird...

Answer 4

miscalculation .... 4,5
i took height for 4, becuase 4^2+3^2 = 5^5
I can't describe my this type of tendency,

Answer 5

while the height should have been 5
so r^2 = 5^2+3^2

Answer 6

Why is the height 5?

Answer 7

Oh..Nothing, I read the question wrong. Thanks

Answer 8

Thanks :)

Answer 9

yw