Q1 of 6 Page 93

Draw concentric circles for the following measurements of radii. Find out the width of each circular ring.

5 cm and 6.5 cm.

5cm and 6.5cm

Steps of construction:


Step 1: Draw a rough image and mark the given measurement.



Step 2: Take any point O and mark it’s as centre.



Step 3: With O as centre, draw a circle of radius OA = 5cm.



Step 4: With O as centre, draw a circle of radius OA = 6.5cm.



Thus, the concentric circle C1 and C2 are drawn.


Width of the circular ring = OB – OA


= 6.5 – 5


= 1.5 cm


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