Question
The diagram shows a semicircle with a diameter of 35 cm. Quadrant STR has the centre R. The line ST divides the quadrant equally into 2 parts. Find the perimeter of the shaded region. (Take π = 227)
2 m

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The diagram shows a semicircle with a diameter of 35 cm. Quadrant STR has the centre R. The line ST divides the quadrant equally into 2 parts. Find the perimeter of the shaded region. (Take π = 227)