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Angles made with the x - axis by two lines drawn through the point (1, 2) and cutting the line x + y = 4 at a distance 23 from the point (1,2) are

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a
π6 and π3
b
π8 and 3π8
c
π12 and 5π12
d
π4 and π2

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detailed solution

Correct option is C

r=23,(x1,y1)=(1,2)


Similar Questions

Consider three lines as follows.

L1:5xy+4=0

L2:3xy+5=0

L3:x+y+8=0

If these lines enclose a triangle ABC and sum of the square of the tangent to the angles can be expressed in the form p/q, where p and Q are relatively prime numbers, then the value of p+q is 


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