Circles with different radii

=Observe the given figure=

What do you observe?

 * The radii of circles are in G.P.

Frame questions based on this picture
Q1 Three circle of radii 2cm, 4cm and 8 cm are drawn. Find the ratio of their circumference.--Rashkath 18:39, 8 October 2011 (UTC)

Q2 Three circle of radii 2cm, 4cm and 8 cm are drawn. Find the ratio of their areas.--Rashkath 18:39, 8 October 2011 (UTC)

Q3 Observe the given figure and check whether the radii of circles are in Geometric Progression or not? --Rashkath 18:39, 8 October 2011 (UTC)

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