Question:
If the lines 3x-4y+4=0 and 6x-5y-7=0 are tangents then the radius of the circle is:
If the lines 3x-4y+4=0 and 6x-5y-7=0 are tangents then the radius of the circle is:
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Parallel tangents ⇒ radius = half distance.
Updated On: Mar 18, 2026
- (3)/(2)
- (3)/(4)
- (1)/(10)
- (1)/(20)
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Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Step 1: Distance between parallel lines. Radius = half distance.
Step 2: Calculation. r=|c₁-c₂|2√(a²+b²)=(3)/(4)
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