Home Maths Straight Line Mix The lines L 1 : x – 2y + 6 = 0 & : x – 2y –…
Maths Straight Line Mix Single Correct MCQ
Published on: August 14, 2026

The lines L 1 : x – 2y + 6 = 0 & : x – 2y – 9 = 0 are tangents to the same circle. If the point of contact of L 1 with the circle is (–2, 2), then :

A
Thecentre of the circle is (–7/2, 5)
B
Thecentre of the circle is (–1/2, – 1)
C
Area of the circle is 45 π /4 sq. Units
D
The point of contact of with the circle has the co-ordinates (–5, 8)

Share this question

For Instagram sharing, use “Apps” on mobile or copy the link.

Text Solution

Verified by Experts
The correct answer is:
CHECK THE SOLUTION.

(b, c)

slope of line = ∴ diameter of circle

= , ∴ radius =

∴ centre is h = – 2 ± cos θ , k = 2 ± sin θ

∴ slope of radius = – 2 ∴ sin θ =

& cos θ = – Solve we get

But lie between lines Now find area

Prepare Smarter with CGP Edu

Get practice questions, solutions, and test series in one place.

Write a Review

Share your experience with this question and solution.

Commentary

Send your comment, doubt, correction, or feedback to admin.

Student Reviews

What students say about this solution

No reviews yet. Be the first to write a review.

Similar Questions

Explore conceptually related problems

CG
CGP Question Assistant Question Bank + AI Help
Hi! Type your question or upload one screenshot. First I will search related questions from CGP Edu Question Bank. If none match, type YES and I will solve it with AI.
Upload only one screenshot at a time. Flow: Question Bank first → If not matched, type YES for AI solution.