# In this picture,

The figure is shown below: Diameter of larger circle = 1 cm

Hence, diameter of smaller circle = cm

Let r = Radius of smaller circle = If r = radius of circle

Circumference = As seen from figure,

Radius of Larger circle = 2r

Perimeter of smaller circle = 2 × π × r …(eq)2

Perimeter of larger circle = 2 × π × (2r) = 4 × π × r …(eq)1

Perimeter of larger circle is = (eq)1 – (eq)2

More then smaller circle by

= (4 × π × r) – (2 × π × r)

= 2 × π × r Rate this question :

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