C-08-Q166mediumsingle_mcq
Corollary 9: the perpendicular to a tangent at its point of contact—
Corollary 9: the perpendicular to a tangent at its point of contact—
- ais parallel to the radius
- bpasses through the centre of the circle
- cis itself a tangent
- dequals the diameter
ব্যাখ্যা
The radius at the point of contact is perpendicular to the tangent. Therefore the perpendicular drawn to the tangent at that point lies along the radius and, when extended, must pass through the centre of the circle.