Question
The figure shows two identical semi-circles. EF is a straight line. E and F are the centres of the semi-circles. Given that the radius of the semi-circle is 15 m, find the area of the shaded regions. Express your answer correct to 1 decimal place. (π = 3.14)
3 m

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The figure shows two identical semi-circles. EF is a straight line. E and F are the centres of the semi-circles. Given that the radius of the semi-circle is 15 m, find the area of the shaded regions. Express your answer correct to 1 decimal place. (π = 3.14)