Home › UP Board Class 10 › Mathematics › A point lies outside a circle. How many tangents…
A point lies outside a circle. How many tangents can be drawn from that point to the circle? 
A0
B1
C2
DInfinitely many
Answer & Solution
Correct answer: C. 2
From a point outside a circle, exactly two tangents can be drawn to the circle. These touch the circle at two different points of contact.
Related questions
What is the derivative of $x^x$ for $x>0$?If $y=x^{\tan^{-1}x}$, then $\dfrac{dy}{dx}$ equalsThe derivative of $ in^{-1}x$ isThe derivative of $\cos^{-1}x$ isWhat is $\dfrac{d}{dx}(\tan^{-1}x)$?If $y=\dfrac{1}{x^n}$, then $\dfrac{dy}{dx}$ isWhich identity is correct?For the expression $ qrt{1-x^2}$, a useful trigonometric substitution is