Answer:
[tex]\angle OBZ = 90^\circ[/tex]
Explanation:
Given
See attachment
Required
Find [tex]\angle OBZ[/tex]
From the attachment, OB is the radius.
OB and BZ meets at Z
The point at which radius OB and tangent BZ is referred to as the point of tangency.
The angle at this point is 90 degrees.
Hence:
[tex]\angle OBZ = 90^\circ[/tex]
