Question

Two circles drawn with same centre are known as
Thot
circles​

Answer 1

Answer:

From the figure, we can say that two circles are given with the same center and radius r for smaller circles and R for the larger circles. They are called concentric circles. And the region between the circles is called an annulus. From the above figure, you can say that the blue-colored part is called an annulus

Answer 2

Answer:

Two circles drawn from same centre

are known as Concentric circles.