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With the same centre O draw circles of radius $4\ cm$ and $2.5\ cm$.
Given:
The radii of the circles are 4 cm and 2.5 cm. The centre of the circle is O.
To do:
We have to draw two concentric circles with the given radii.
Solution:
Steps for construction:
![](/assets/questions/media/164194-32136-1607061008.png)
Step 1:
Take a ruler of unit length 1 cm.
Step 2 :
Take any point O and mark it as the centre.
Step 3 :
With O as centre draw a circle of radius $OA = 2.5\ cm$
Step 4 :
With O as centre draw a circle of radius $OB = 4\ cm$
Thus the concentric-circles $C_1$ and $C_2$ are drawn.
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