EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 10 - Circle>WBJEE 2018>Q 8

MEDIUM

WBJEE

IMPORTANT

Earn 100

Let $A$ be the centre of the circle $x^{2} + y^{2} - 2 x - 4 y - 20 = 0 .$ Let $B (1, 7)$ and $D (4, - 2)$ be two points on the circle such that tangents at $B$ and $D$ meet at $C$ . The area of the quadrilateral $A B C D$ is

100% studentsanswered this correctly

Important Questions on Circle

MEDIUM

WBJEE

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR MATHEMATICS>Chapter 10 - Circle>WBJEE 2020>Q 9

The locus of the centre of the circles which touch both the circles $x^{2} + y^{2} = a^{2}$ and $x^{2} + y^{2} = 4 a x$ externally is