Can someone please help me with this question ? Thank you in advance
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Length = 7u (2r + 15cm)
Breadth = 4u (2r)
7u – 4u = 3u
3u = 15cm
1u = 15cm ÷ 3 = 5cm
Length = 7u = 7 x 5cm = 35cm
Breadth = 4u = 4 x 5cm = 20cm
Radius of quadrant = 20cm ÷ 2 = 10cm
Area of 4 quadrants (1 circle) = 3.14 x 10cm x 10cm = 314cm2
Area of rectangle = 35cm x 20cm = 700cm2
Area of shaded = 700cm2 – 314cm2 = 386cm2
Hope you understand! :))