Question

to construct a common tangent to two circle.proove it by constructing it.

Answer 1

im not sure how you prove it

Answer 2

can it not be like @perl ^^

Answer 3

yes

Answer 4

and what are you supposed to prove here?

Answer 5

there are actually a few cases

Answer 6

http://www.regentsprep.org/Regents/math/geometry/GP14/TanCircles.htm

Answer 7

two separate circles have 4 common tangents