Practice Questions CBSE - Maths Class 10 (2023 Boards)

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Question 4 - Practice Questions CBSE - Maths Class 10 (2023 Boards) - Solutions of Sample Papers for Class 10 Boards

Last updated at April 16, 2024 by

Two concentric circles are centered at O(-4, 3). The ratio of the area of inner circle to that of the outer circle is 1:9. Points A and B lie on the boundaries of the inner and outer circle, respectively, as shown below.

The coordinates of point B are (3, 5). Which of the following are the coordinates of A?

(A) ( 2/3, 13/3  )   

(B) ( (-5)/3, 11/3  )  

(C) ( (-9)/4, 14/4  )

(D) ( (-33)/10, 16/5  )

 

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Transcript

Two concentric circles are centered at O(-4, 3). The ratio of the area of inner circle to that of the outer circle is 1:9. Points A and B lie on the boundaries of the inner and outer circle, respectively, as shown below. The coordinates of point B are (3, 5). Which of the following are the coordinates of A? (A) ( 2/3, 13/3 ) (B) ( (−5)/3, 11/3 ) (C) ( (−9)/4, 14/4 ) (D) ( (−33)/10, 16/5 )

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