NET JRF PART - A : Questions and Solutions : NET DEC-2013

NET JRF PART - A : Questions and Solutions:

NET DEC-2013

1.) A circle of radius 7 units lying in the fourth quadrant touches the x -axis at (10, 0). The center of the circle has coordinates 

(a) ( 7, 7) (b) (-10, 7) (c) (10, - 7)(d) ( 7, -7)

Ans. : (c) (10, -7)

Solution: The circle is located as shown in the diagram.

From the diagram, the center of the circle has coordinates is (10, -7).