Question
The figure is made up of 4 semicircles. CD : DE : EF is 4 : 3 : 2. Line CF is 63 m. Find the perimeter of the shaded part. (Take π = 227)
2 m

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The figure is made up of 4 semicircles. CD : DE : EF is 4 : 3 : 2. Line CF is 63 m. Find the perimeter of the shaded part. (Take π = 227)