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Take a base line of length 10cm.Draw two half circles representing ifentical wavy waves. What will be the radius of each half circle.

Mridul payeng 22nd Feb, 2026

Answer (1)

Kirti Dubey 1st Mar, 2026

Here is how you should approach this question:

You have a straight line of 10cm.
You want to fit two half-circles on that line.
That means each half circle will take up 5 cm (because 10 ÷ 2 = 5).
We know that the radius of a circle is half of its diameter. So radius = diameter/2
Therefore, each half circle will have a radius of 2.5 cm.

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