+0  
 
+1
310
1
avatar+134 

How would one find the size

 Nov 14, 2018
 #1
avatar+107405 
+3

A tangent  to a circle  meeting a radius always does so at right angles

 

So  angle OAB   =  90°

 

 

 

cool cool cool

 Nov 14, 2018

37 Online Users

avatar