Can someone help me figure out the length of this perpendicular bisector its for geometry. Angle A is 90 degrees, DB is 27 and DC is 3. I need to find out AD..

AD = ?

reminder I need to find the length of AD like the length of DB and DC.

Can someone help me figure out the length of this perpendicular bisector its for geometry Angle A is 90 degrees DB is 27 and DC is 3 I need to find out AD AD re class=