Which of the following pairs of lines can be parallel?
1.Two tangents to a circle
2.Two diameters of a circle
3.A chord of circle and a tangents to a circle
4.Two chords of a circle
Select the correct answer using the codes given below:
Codes:
a. Tangents drawn from the end points of a diameter are always parallel.
b. Any diameter of a circle has to pass through the center and so any two diameters will be intersecting.
c. A chord and tangent can be parallel.
d. Two chords can be parallel.