Question
The figure is made up of 4 semicircles. YZ : ZA : AB is 4 : 3 : 2. Line YB is 63 cm. Find the perimeter of the shaded part. (Take π = 227)
2 m

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The figure is made up of 4 semicircles. YZ : ZA : AB is 4 : 3 : 2. Line YB is 63 cm. Find the perimeter of the shaded part. (Take π = 227)