from a point a 10 cm from a plane p a perpendicular line ac is drawn passing through a circle with center C and radius of 8cm in the plane. At any point B on this circle, a tangent BD is drawn 18 cm in length. Find the distance from A to D.

Can someone do it step by step with the figure? :)

Question

from a point a 10 cm from a plane p a perpendicular line ac is drawn passing through a circle with center C and radius of 8cm in the plane. At any point B on this circle, a tangent BD is drawn 18 cm in length. Find the distance from A to D.

Can someone do it step by step with the figure? :)

anonymous · Answer

can I help

anonymous · Answer

yes please :D

anonymous · Answer

I am here

anonymous · Answer

I got the figure for the circle then the triangle. But, I'm not sure where to place the tangent BD... any idea? :)

anonymous · Answer

show me the pic

anonymous · Answer

|dw:1453717892162:dw|

 That's how I draw it

anonymous · Answer

I don't know how to get the answer of 22.1cm

anonymous · Answer

o sorry I forgot you hahah

anonymous · Answer

lol... It's okay :3 It's good that you reply hahaha I've been stuck here for quite long XD

anonymous · Answer

that is how it suppose to look I think

|dw:1453718362861:dw|