Find the length of direct common tangent of circle $(x-1)^{ 2 }+(y-2)^{ 2 }=4$ and $(x-5)^{ 2 }+(y-2)^{ 2 }=1$
Reveal answer
Fill a bubble to check yourself
Find the length of direct common tangent of circle $(x-1)^{ 2 }+(y-2)^{ 2 }=4$ and $(x-5)^{ 2 }+(y-2)^{ 2 }=1$