To construct a tangent at a point P on a circle with centre O, we draw a line through P that is
A. perpendicular to radius OP
B. parallel to radius OP
C. along radius OP
D. at 45° to radius OP
1 answer
Best answer
Answer: A. perpendicular to radius OP
A tangent is perpendicular to the radius at the point of contact, so we draw the line through P perpendicular to OP.
Doubtly AI
· 24 Oct 2026
AI-verified · Oct 2026
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